diff --git a/src/greaseweazle/codec/ibm/ibm.py b/src/greaseweazle/codec/ibm/ibm.py
index 2a526c07..019e9f12 100644
--- a/src/greaseweazle/codec/ibm/ibm.py
+++ b/src/greaseweazle/codec/ibm/ibm.py
@@ -898,7 +898,7 @@ def summary_string(self) -> str:
         return "IBM Empty"
 
     def set_img_track(self, tdat: bytes) -> int:
-        raise error.Fatal('ibm.generic: Cannot handle IMG input data')
+        raise error.Fatal('ibm.scan: Cannot handle IMG input data')
 
 
 class IBMTrack_Scan(codec.Codec):