diff --git a/src/w_wad.c b/src/w_wad.c
index fdab8962b..88e89974a 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -1572,12 +1572,12 @@ void W_VerifyFileMD5(UINT16 wadfilenum, const char *matchmd5)
 	{
 		char actualmd5text[2*MD5_LEN+1];
 		PrintMD5String(wadfiles[wadfilenum]->md5sum, actualmd5text);
-/*#ifdef _DEBUG
+#ifdef _DEBUG
 		CONS_Printf
 #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 corrupt or has been modified: %s (found md5: %s, wanted: %s)\n"), wadfiles[wadfilenum]->filename, actualmd5text, matchmd5);
 	}
 #endif
 }