diff --git a/scumm/costume.cpp b/scumm/costume.cpp
index 09399511bf7..b0c871a0468 100644
--- a/scumm/costume.cpp
+++ b/scumm/costume.cpp
@@ -571,7 +571,7 @@ void LoadedCostume::loadCostume(int id) {
 		_numColors = 32;
 		break;
 	default:
-		error("Costume %d is invalid", id);
+		error("Costume %d with format %d is invalid", id, _format);
 	}