diff --git a/src/imgio.c b/src/imgio.c
index 16443be..06a7e44 100644
--- a/src/imgio.c
+++ b/src/imgio.c
@@ -89,7 +89,7 @@ ppm_save(const unsigned int* buf, const PPM img)
 	{
 		fptr = fopen(img.name, "wb");
 	}
-        if(img.fmt != '6' || img.fmt != '3') {
+        if(img.fmt != '6' && img.fmt != '3') {
                 printf("fmt failed\n");
         }
         else {