diff --git a/assets/4096_bayer_skyboxfill.frag b/assets/4096_bayer_skyboxfill.frag
index e61fc8210..7828849f5 100644
--- a/assets/4096_bayer_skyboxfill.frag
+++ b/assets/4096_bayer_skyboxfill.frag
@@ -21,7 +21,7 @@ uniform float gcount = 64.0; // using 64: has less banding and most monitors are
 uniform float bcount = 64.0;
 
 // inverted zoom; this value must set to (1f/zoom)
-uniform float zoomInv = 1f;
+uniform float zoomInv = 1.0;
 
 /*int bayer[7 * 7] = int[](
 32,42,10,27,37,5,15,
@@ -74,7 +74,7 @@ void main(void) {
 
     float scale = v_texCoords.y * (1.0 - parallax_size) + (parallax_size / 2.0) + (parallax * parallax_size / 2.0);
 
-    float zoomSamplePoint = (1f - zoomInv) / 2f; // will never quite exceed 0.5
+    float zoomSamplePoint = (1.0 - zoomInv) / 2.0; // will never quite exceed 0.5
 
     // I don't even know if it works, and also not sure if I actually want it
     vec3 newBottom = mix(bottomColor, topColor, zoomSamplePoint);
diff --git a/assets/tiling.frag b/assets/tiling.frag
index b4c25c46a..131bd32af 100644
--- a/assets/tiling.frag
+++ b/assets/tiling.frag
@@ -34,9 +34,9 @@ uniform vec4 colourFilter = vec4(1, 1, 1, 1); // used by WALL to darken it
 
 uniform ivec2 cameraTranslation = ivec2(0, 0); // used to offset the drawing
 
-uniform float drawBreakage = 1f; // set it to 0f to not draw breakage, 1f to draw it; NEVER set to any other values.
+uniform float drawBreakage = 1.0; // set it to 0f to not draw breakage, 1f to draw it; NEVER set to any other values.
 
-uniform float zoom = 1f;
+uniform float zoom = 1.0;
 
 
 ivec2 getTileXY(int tileNumber) {