diff --git a/quickpeep_indexer/src/bin/qp-indexer.rs b/quickpeep_indexer/src/bin/qp-indexer.rs
index f9194e6..332ca3c 100644
--- a/quickpeep_indexer/src/bin/qp-indexer.rs
+++ b/quickpeep_indexer/src/bin/qp-indexer.rs
@@ -70,7 +70,8 @@ pub async fn main() -> anyhow::Result<()> {
         let decompressor = zstd::stream::Decoder::new(file)?;
         // TODO the decompressor has a buffer already, but we need this to see the end
         let mut buf_reader = BufReader::new(decompressor);
-        let schema: String = serde_bare::from_reader(&mut buf_reader)?;
+        let schema: String =
+            serde_bare::from_reader(&mut buf_reader).context("failed to read schema ver")?;
 
         match schema.as_ref() {
             SCHEMA_RAKED_PAGES => {