diff --git a/Source/Core/VideoCommon/GeometryShaderGen.cpp b/Source/Core/VideoCommon/GeometryShaderGen.cpp
index 6aefdf3e69..99e546a363 100644
--- a/Source/Core/VideoCommon/GeometryShaderGen.cpp
+++ b/Source/Core/VideoCommon/GeometryShaderGen.cpp
@@ -240,7 +240,8 @@ ShaderCode GenerateGeometryShaderCode(APIType ApiType, const geometry_shader_uid
     // the depth value. This results in objects at a distance smaller than the convergence
     // distance to seemingly appear in front of the screen.
     // This formula is based on page 13 of the "Nvidia 3D Vision Automatic, Best Practices Guide"
-    out.Write("\tf.pos.x += " I_STEREOPARAMS "[eye] * (f.pos.w - " I_STEREOPARAMS "[2]);\n");
+    out.Write("\tfloat hoffset = (eye == 0) ? " I_STEREOPARAMS ".x : " I_STEREOPARAMS ".y;\n");
+    out.Write("\tf.pos.x += hoffset * (f.pos.w - " I_STEREOPARAMS ".z);\n");
   }
 
   if (uid_data->primitive_type == PRIMITIVE_LINES)