diff --git a/bin/run-ci-graph_augmentations.sh b/bin/run-ci-graph_augmentations.sh
index ed01ccb7..bd4855b9 100755
--- a/bin/run-ci-graph_augmentations.sh
+++ b/bin/run-ci-graph_augmentations.sh
@@ -14,7 +14,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --scorer "" \
   --augment dropout \
diff --git a/bin/run-ci-ldc93s1_checkpoint.sh b/bin/run-ci-ldc93s1_checkpoint.sh
index 68ebc8bd..80aeea5d 100755
--- a/bin/run-ci-ldc93s1_checkpoint.sh
+++ b/bin/run-ci-ldc93s1_checkpoint.sh
@@ -14,7 +14,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
   --test_files ${ldc93s1_csv} --test_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_checkpoint_bytes.sh b/bin/run-ci-ldc93s1_checkpoint_bytes.sh
index 6c068eee..96cf5998 100755
--- a/bin/run-ci-ldc93s1_checkpoint_bytes.sh
+++ b/bin/run-ci-ldc93s1_checkpoint_bytes.sh
@@ -14,7 +14,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
   --test_files ${ldc93s1_csv} --test_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_checkpoint_sdb.sh b/bin/run-ci-ldc93s1_checkpoint_sdb.sh
index 30708451..02d87b66 100755
--- a/bin/run-ci-ldc93s1_checkpoint_sdb.sh
+++ b/bin/run-ci-ldc93s1_checkpoint_sdb.sh
@@ -20,7 +20,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_sdb} --train_batch_size 1 \
   --dev_files ${ldc93s1_sdb} --dev_batch_size 1 \
   --test_files ${ldc93s1_sdb} --test_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_new.sh b/bin/run-ci-ldc93s1_new.sh
index f67f2765..ff7d7d25 100755
--- a/bin/run-ci-ldc93s1_new.sh
+++ b/bin/run-ci-ldc93s1_new.sh
@@ -17,7 +17,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --feature_cache '/tmp/ldc93s1_cache' \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_new_bytes.sh b/bin/run-ci-ldc93s1_new_bytes.sh
index 5dec1fed..17c65af4 100755
--- a/bin/run-ci-ldc93s1_new_bytes.sh
+++ b/bin/run-ci-ldc93s1_new_bytes.sh
@@ -17,7 +17,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --feature_cache '/tmp/ldc93s1_cache' \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_new_bytes_tflite.sh b/bin/run-ci-ldc93s1_new_bytes_tflite.sh
index 22558942..eb74eac1 100755
--- a/bin/run-ci-ldc93s1_new_bytes_tflite.sh
+++ b/bin/run-ci-ldc93s1_new_bytes_tflite.sh
@@ -16,7 +16,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false \
   --n_hidden 100 \
   --checkpoint_dir '/tmp/ckpt_bytes' \
   --export_dir '/tmp/train_bytes_tflite' \
diff --git a/bin/run-ci-ldc93s1_new_metrics.sh b/bin/run-ci-ldc93s1_new_metrics.sh
index ee87c6b5..d0fd8ccc 100755
--- a/bin/run-ci-ldc93s1_new_metrics.sh
+++ b/bin/run-ci-ldc93s1_new_metrics.sh
@@ -17,7 +17,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
   --test_files ${ldc93s1_csv} --test_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_new_sdb.sh b/bin/run-ci-ldc93s1_new_sdb.sh
index 0e9a5293..e3b26937 100755
--- a/bin/run-ci-ldc93s1_new_sdb.sh
+++ b/bin/run-ci-ldc93s1_new_sdb.sh
@@ -23,7 +23,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_sdb} --train_batch_size 1 \
   --dev_files ${ldc93s1_sdb} --dev_batch_size 1 \
   --test_files ${ldc93s1_sdb} --test_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_new_sdb_csv.sh b/bin/run-ci-ldc93s1_new_sdb_csv.sh
index ca8cd388..cacd880a 100755
--- a/bin/run-ci-ldc93s1_new_sdb_csv.sh
+++ b/bin/run-ci-ldc93s1_new_sdb_csv.sh
@@ -23,7 +23,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_sdb} ${ldc93s1_csv} --train_batch_size 1 \
   --feature_cache '/tmp/ldc93s1_cache_sdb_csv' \
   --dev_files ${ldc93s1_sdb} ${ldc93s1_csv} --dev_batch_size 1 \
diff --git a/bin/run-ci-ldc93s1_singleshotinference.sh b/bin/run-ci-ldc93s1_singleshotinference.sh
index 8aaced54..c8e3839b 100755
--- a/bin/run-ci-ldc93s1_singleshotinference.sh
+++ b/bin/run-ci-ldc93s1_singleshotinference.sh
@@ -14,7 +14,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false --early_stop false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false --early_stop false \
   --train_files ${ldc93s1_csv} --train_batch_size 1 \
   --dev_files ${ldc93s1_csv} --dev_batch_size 1 \
   --test_files ${ldc93s1_csv} --test_batch_size 1 \
@@ -23,7 +23,7 @@ python -u train.py --show_progressbar false --early_stop false \
   --learning_rate 0.001 --dropout_rate 0.05 \
   --scorer_path 'data/smoke_test/pruned_lm.scorer'
 
-python -u train.py \
+python -u train.py --alphabet_config_path "data/alphabet.txt" \
   --n_hidden 100 \
   --checkpoint_dir '/tmp/ckpt' \
   --scorer_path 'data/smoke_test/pruned_lm.scorer' \
diff --git a/bin/run-ci-ldc93s1_tflite.sh b/bin/run-ci-ldc93s1_tflite.sh
index 0156d969..6d79313f 100755
--- a/bin/run-ci-ldc93s1_tflite.sh
+++ b/bin/run-ci-ldc93s1_tflite.sh
@@ -16,7 +16,7 @@ fi;
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false \
   --n_hidden 100 \
   --checkpoint_dir '/tmp/ckpt' \
   --export_dir '/tmp/train_tflite' \
@@ -26,7 +26,7 @@ python -u train.py --show_progressbar false \
 
 mkdir /tmp/train_tflite/en-us
 
-python -u train.py --show_progressbar false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false \
   --n_hidden 100 \
   --checkpoint_dir '/tmp/ckpt' \
   --export_dir '/tmp/train_tflite/en-us' \
diff --git a/bin/run-ldc93s1.sh b/bin/run-ldc93s1.sh
index fdf34609..46efa667 100755
--- a/bin/run-ldc93s1.sh
+++ b/bin/run-ldc93s1.sh
@@ -20,7 +20,7 @@ fi
 # and when trying to run on multiple devices (like GPUs), this will break
 export CUDA_VISIBLE_DEVICES=0
 
-python -u train.py --show_progressbar false \
+python -u train.py --alphabet_config_path "data/alphabet.txt" --show_progressbar false \
   --train_files data/ldc93s1/ldc93s1.csv \
   --test_files data/ldc93s1/ldc93s1.csv \
   --train_batch_size 1 \