diff --git a/bin/resources/shaders/opengl/convert.glsl b/bin/resources/shaders/opengl/convert.glsl
index 826766392f..1382324857 100644
--- a/bin/resources/shaders/opengl/convert.glsl
+++ b/bin/resources/shaders/opengl/convert.glsl
@@ -233,7 +233,7 @@ void ps_convert_rgba_8i()
     if (floor(PS_SCALE_FACTOR) != PS_SCALE_FACTOR)
         coord = uvec2(vec2(coord) * PS_SCALE_FACTOR);
     else
-        coord *= PS_SCALE_FACTOR;
+        coord *= uvec2(PS_SCALE_FACTOR);
 
     vec4 pixel = texelFetch(TextureSampler, ivec2(coord), 0);
     vec2  sel0 = (pos.y & 2u) == 0u ? pixel.rb : pixel.ga;
diff --git a/bin/resources/shaders/vulkan/convert.glsl b/bin/resources/shaders/vulkan/convert.glsl
index 2f78ee9674..8dc471c6ca 100644
--- a/bin/resources/shaders/vulkan/convert.glsl
+++ b/bin/resources/shaders/vulkan/convert.glsl
@@ -268,7 +268,7 @@ void ps_convert_rgba_8i()
   if (floor(PS_SCALE_FACTOR) != PS_SCALE_FACTOR)
     coord = uvec2(vec2(coord) * PS_SCALE_FACTOR);
   else
-    coord *= PS_SCALE_FACTOR;
+    coord *= uvec2(PS_SCALE_FACTOR);
 
   vec4 pixel = texelFetch(samp0, ivec2(coord), 0);
   vec2  sel0 = (pos.y & 2u) == 0u ? pixel.rb : pixel.ga;
diff --git a/bin/resources/shaders/vulkan/present.glsl b/bin/resources/shaders/vulkan/present.glsl
index 33cd93d690..74df27d7ad 100644
--- a/bin/resources/shaders/vulkan/present.glsl
+++ b/bin/resources/shaders/vulkan/present.glsl
@@ -1,7 +1,3 @@
-#ifndef PS_SCALE_FACTOR
-#define PS_SCALE_FACTOR 1
-#endif
-
 #ifdef VERTEX_SHADER
 
 layout(location = 0) in vec4 a_pos;