diff --git a/src/Shaders/BlendLayers.gdshader b/src/Shaders/BlendLayers.gdshader
index 4b56eed3e..40a667f39 100644
--- a/src/Shaders/BlendLayers.gdshader
+++ b/src/Shaders/BlendLayers.gdshader
@@ -55,11 +55,11 @@ vec3 rgb_to_hsl(vec3 rgb)
 
 
 vec4 blend(int blend_type, vec4 current_color, vec4 prev_color, float opacity) {
-	if (current_color.a <= 0.001 || opacity <= 0.001) {
+	current_color.a *= opacity;  // Combine the layer opacity
+	if (current_color.a <= 0.001) {
 		return prev_color;
 	}
 	vec4 result;
-	current_color.a *= opacity;  // Combine the layer opacity
 	switch(blend_type) {
 		case 1: // Darken
 			result.rgb = min(prev_color.rgb, current_color.rgb);
@@ -77,7 +77,7 @@ vec4 blend(int blend_type, vec4 current_color, vec4 prev_color, float opacity) {
 			result.rgb = max(prev_color.rgb, current_color.rgb);
 			break;
 		case 6: // Screen
-			result.rgb = mix(prev_color.rgb, 1.0 - (1.0 - prev_color.rgb) * (1.0 - current_color.rgb), current_color.a);
+			result.rgb = 1.0 - (1.0 - prev_color.rgb) * (1.0 - current_color.rgb);
 			break;
 		case 7: // Color dodge
 			result.rgb = prev_color.rgb / (1.0 - current_color.rgb);
@@ -127,9 +127,10 @@ vec4 blend(int blend_type, vec4 current_color, vec4 prev_color, float opacity) {
 			result.rgb = hsl_to_rgb(vec3(prev_hsl.r, prev_hsl.g, current_hsl.b));
 			break;
 		default: // Normal (case 0)
-			result.rgb = mix(prev_color.rgb, current_color.rgb, current_color.a);
+			result.rgb = current_color.rgb;
 			break;
 	}
+	result.rgb = mix(prev_color.rgb, result.rgb, current_color.a);
 	result.a = prev_color.a * (1.0 - current_color.a) + current_color.a;
 	result = clamp(result, 0.0, 1.0);
 	return mix(current_color, result, prev_color.a);