diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index efe3dda78..bdcc83996 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -199,7 +199,7 @@ static void AppendColorCombiner(std::string& out, TevStageConfig::Operation oper
         out += "min(" + variable_name + "[0] + " + variable_name + "[1], vec3(1.0)) * " + variable_name + "[2]";
         break;
     case Operation::Dot3_RGB:
-        out += "vec3(dot(" + variable_name + "[0], " + variable_name + "[1]))";
+        out += "vec3(dot(" + variable_name + "[0] - vec3(0.5), " + variable_name + "[1] - vec3(0.5)) * 2.0 + vec3(0.5))";
         break;
     default:
         out += "vec3(0.0)";