diff --git a/common/iff_container.h b/common/iff_container.h
index 2299d76e0cb..617bdde6907 100644
--- a/common/iff_container.h
+++ b/common/iff_container.h
@@ -162,7 +162,7 @@ public:
 	void incBytesRead(uint32 inc) {
 		bytesRead += inc;
 		if (bytesRead > size) {
-			error("Chunk overread");
+			error("Chunk '%s' overread", ID2string(id));
 		}
 	}