diff --git a/data/shader/flame.fsh b/data/shader/flame.fsh
index dc893c8..7a4127d 100644
--- a/data/shader/flame.fsh
+++ b/data/shader/flame.fsh
@@ -9,7 +9,7 @@ uniform bool withColor;
 
 void main() {
     if (withColor) {
-        oColor = vec4(fColor, 1.0);
+        oColor = vec4(fColor, 0.6);
     }
     else {
         oColor = vec4(0.0, 0.0, 0.0, 0.0);