diff --git a/Source/Engine/Visject/ShaderGraph.cpp b/Source/Engine/Visject/ShaderGraph.cpp
index c447961c2..c8a8782e9 100644
--- a/Source/Engine/Visject/ShaderGraph.cpp
+++ b/Source/Engine/Visject/ShaderGraph.cpp
@@ -408,9 +408,10 @@ void ShaderGenerator::ProcessGroupMath(Box* box, Node* node, Value& value)
         const auto inVal  = tryGetValue(node->GetBox(0), node->Values[0].AsFloat);
         const auto rangeA = tryGetValue(node->GetBox(1), node->Values[1].AsVector2());
         const auto rangeB = tryGetValue(node->GetBox(2), node->Values[2].AsVector2());
+        const auto clamp  = tryGetValue(node->GetBox(3), node->Values[3]).AsBool();
 
         const auto mapFunc = String::Format(TEXT("{2}.x + ({0} - {1}.x) * ({2}.y - {2}.x) / ({1}.y - {1}.x)"), inVal.Value, rangeA.Value, rangeB.Value);
-        value = writeLocal(ValueType::Float, node->Values[3].AsBool ? String::Format(TEXT("clamp({0}, {1}.x, {1}.y)"), mapFunc, rangeB.Value) : mapFunc, node);
+        value = writeLocal(ValueType::Float, String::Format(TEXT("{2} ? clamp({0}, {1}.x, {1}.y) : {0}"), mapFunc, rangeB.Value, clamp.Value), node);
         break;
     }
     default: