diff --git a/resources/shaders/110/silhouette_composite.fs b/resources/shaders/110/silhouette_composite.fs
index 2fe8d0e48..5518980fd 100644
--- a/resources/shaders/110/silhouette_composite.fs
+++ b/resources/shaders/110/silhouette_composite.fs
@@ -14,7 +14,7 @@ void main()
     vec4 pixels[9];
     float deltaWidth = 1.0 / u_viewport_size.x;
     float deltaHeight = 1.0 / u_viewport_size.y;
-    float effect_width = 2.0f;
+    float effect_width = 2.0;
     deltaWidth = deltaWidth * effect_width;
     deltaHeight = deltaHeight * effect_width;
     pixels[0] = sample(-deltaWidth, deltaHeight );
diff --git a/resources/shaders/140/silhouette_composite.fs b/resources/shaders/140/silhouette_composite.fs
index 7baf85d92..964b2d220 100644
--- a/resources/shaders/140/silhouette_composite.fs
+++ b/resources/shaders/140/silhouette_composite.fs
@@ -16,7 +16,7 @@ void main()
     vec4 pixels[9];
     float deltaWidth = 1.0 / u_viewport_size.x;
     float deltaHeight = 1.0 / u_viewport_size.y;
-    float effect_width = 2.0f;
+    float effect_width = 2.0;
     deltaWidth = deltaWidth * effect_width;
     deltaHeight = deltaHeight * effect_width;