diff --git a/src/md5_gen_preloads.c b/src/md5_gen_preloads.c
index 1717f4d..353be98 100644
--- a/src/md5_gen_preloads.c
+++ b/src/md5_gen_preloads.c
@@ -787,7 +787,7 @@ int md5_gen_IS_VALID(int i)
 #ifdef NT_X86_64
 	// right now, these formats FAIL for 64 bit intrisic builds.  For the time being,
 	// I am simply commenting these OUT.  I will fix at some time.
-	if (i == 12 || i == 13 || 21 || i == 22 || i == 23 || i = 24 || i = 25 || i = 26)
+	if (i == 12 || i == 13 || i == 21 || i == 22 || i == 23 || i == 24 || i == 25 || i == 26)
 		return 0;
 #endif