diff --git a/GPU/Common/VertexShaderGenerator.cpp b/GPU/Common/VertexShaderGenerator.cpp
index fffd0898b5..f2d3152ec5 100644
--- a/GPU/Common/VertexShaderGenerator.cpp
+++ b/GPU/Common/VertexShaderGenerator.cpp
@@ -1062,7 +1062,7 @@ bool GenerateVertexShader(const VShaderID &id, char *buffer, const ShaderLanguag
 						break;
 					case GE_PROJMAP_NORMALIZED_NORMAL:  // Use normalized transformed normal as source
 						if (hasNormal)
-							temp_tc = StringFromFormat("length(%snormal) == 0.0 ? vec4(0.0, 0.0, 1.0, 1.0) : vec4(normalize(%snormal), 1.0)", flipNormal ? "-" : "");
+							temp_tc = StringFromFormat("length(normal) == 0.0 ? vec4(0.0, 0.0, 1.0, 1.0) : vec4(normalize(%snormal), 1.0)", flipNormal ? "-" : "");
 						else
 							temp_tc = "vec4(0.0, 0.0, 1.0, 1.0)";
 						break;