diff --git a/bin/resources/shaders/dx11/tfx.fx b/bin/resources/shaders/dx11/tfx.fx
index 2d1a90fe1b..41fb20b118 100644
--- a/bin/resources/shaders/dx11/tfx.fx
+++ b/bin/resources/shaders/dx11/tfx.fx
@@ -740,7 +740,7 @@ float4 fog(float4 c, float f)
 {
 	if(PS_FOG)
 	{
-		c.rgb = trunc(lerp(FogColor, c.rgb, f));
+		c.rgb = trunc(lerp(FogColor, c.rgb, (f * 255.0f) / 256.0f));
 	}
 
 	return c;
diff --git a/bin/resources/shaders/opengl/tfx_fs.glsl b/bin/resources/shaders/opengl/tfx_fs.glsl
index 65c82cb136..fc642a9676 100644
--- a/bin/resources/shaders/opengl/tfx_fs.glsl
+++ b/bin/resources/shaders/opengl/tfx_fs.glsl
@@ -646,7 +646,7 @@ bool atst(vec4 C)
 void fog(inout vec4 C, float f)
 {
 #if PS_FOG != 0
-	C.rgb = trunc(mix(FogColor, C.rgb, f));
+	C.rgb = trunc(mix(FogColor, C.rgb, (f * 255.0f) / 256.0f));
 #endif
 }
 
diff --git a/bin/resources/shaders/vulkan/tfx.glsl b/bin/resources/shaders/vulkan/tfx.glsl
index de9b354b39..8e7bd53f4d 100644
--- a/bin/resources/shaders/vulkan/tfx.glsl
+++ b/bin/resources/shaders/vulkan/tfx.glsl
@@ -907,7 +907,7 @@ bool atst(vec4 C)
 vec4 fog(vec4 c, float f)
 {
 	#if PS_FOG
-		c.rgb = trunc(mix(FogColor, c.rgb, f));
+		c.rgb = trunc(mix(FogColor, c.rgb, (f * 255.0f) / 256.0f));
 	#endif
 
 	return c;
diff --git a/pcsx2/GS/Renderers/Metal/tfx.metal b/pcsx2/GS/Renderers/Metal/tfx.metal
index 09fc6f84fc..942a45e16c 100644
--- a/pcsx2/GS/Renderers/Metal/tfx.metal
+++ b/pcsx2/GS/Renderers/Metal/tfx.metal
@@ -790,7 +790,7 @@ struct PSMain
 	void fog(thread float4& C, float f)
 	{
 		if (PS_FOG)
-			C.rgb = trunc(mix(cb.fog_color, C.rgb, f));
+			C.rgb = trunc(mix(cb.fog_color, C.rgb, (f * 255.0f) / 256.0f));
 	}
 
 	float4 ps_color()
diff --git a/pcsx2/ShaderCacheVersion.h b/pcsx2/ShaderCacheVersion.h
index 1298ae3bbe..7851b71120 100644
--- a/pcsx2/ShaderCacheVersion.h
+++ b/pcsx2/ShaderCacheVersion.h
@@ -3,4 +3,4 @@
 
 /// Version number for GS and other shaders. Increment whenever any of the contents of the
 /// shaders change, to invalidate the cache.
-static constexpr u32 SHADER_CACHE_VERSION = 78;
+static constexpr u32 SHADER_CACHE_VERSION = 79;