diff --git a/rei_toolbox/dubstrip.py b/rei_toolbox/dubstrip.py
index 7e129a3..b0b20e9 100644
--- a/rei_toolbox/dubstrip.py
+++ b/rei_toolbox/dubstrip.py
@@ -9,7 +9,7 @@ from typing import Any, Dict, List, Union
 
 def probe_metadata(file: Path) -> Dict[str, Any]:
     output = subprocess.check_output(
-        ("ffprobe", "-show_streams", "-print_format", "json", file)
+        ("ffprobe", "-show_streams", "-print_format", "json", f"file:{file}")
     )
     return json.loads(output)