diff --git a/src/video_core/host_shaders/ssaa.frag b/src/video_core/host_shaders/ssaa.frag
index cbc5d2f9d7..0d76f092bc 100644
--- a/src/video_core/host_shaders/ssaa.frag
+++ b/src/video_core/host_shaders/ssaa.frag
@@ -15,5 +15,5 @@ layout (location = 0) out vec4 frag_color;
 layout (binding = BINDING_COLOR_TEXTURE) uniform sampler2D input_texture;
 
 void main() {
-  frag_color = texelFetch(input_texture, ivec2(posPos.xy * textureSize(input_texture)), gl_SampleID);
+  frag_color = texelFetch(input_texture, ivec2(posPos.xy * textureSize(input_texture, 0)), gl_SampleID);
 }