1 files changed, 3 insertions, 1 deletions
diff --git a/shader.frag b/shader.frag
index 5492a95..07b7a28 100644
--- a/shader.frag
+++ b/shader.frag
@@ -31,6 +31,8 @@ void main (void) {
   img = texture2D(images[idx[0]],st);
   st = coordinates(idx[1]);
   img = pow(img, texture2D(images[idx[1]],st));
-  img.rgb = img.rgb*params[0];
+  if (program != 0) {
+    img.rgb = img.rgb*params[0];
+  }
   fragColor = img;
 }