diff --git a/src/w_wad.c b/src/w_wad.c
index 9af661b57..5fb9ded2d 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -1862,7 +1862,7 @@ void W_VerifyFileMD5(UINT16 wadfilenum, const char *matchmd5)
 #else
 		I_Error
 #endif
-			(M_GetText("File is corrupt or has been modified: %s (found md5: %s, wanted: %s)\n"), wadfiles[wadfilenum]->filename, actualmd5text, matchmd5);
+			(M_GetText("File is old, is corrupt or has been modified: %s (found md5: %s, wanted: %s)\n"), wadfiles[wadfilenum]->filename, actualmd5text, matchmd5);
 	}
 #endif
 }