diff --git a/src/cparser_header.py b/src/cparser_header.py
index 8532df4..f806976 100644
--- a/src/cparser_header.py
+++ b/src/cparser_header.py
@@ -98,7 +98,7 @@ def __init__(self, name: str):
 
         assert rizin_include_path
         filename = os.path.abspath(os.path.join(rizin_include_path, *name_segments))
-        assert os.path.exists(filename)
+        assert os.path.exists(filename), f"File {filename} does not exist"
         self.filename = filename
 
         # Parse ht_inc.h if importing SDB hashtable header