jerobarraco

diff --git a/Engine/Source/Programs/UnrealBuildTool/Configuration/UEBuildModuleCPP.cs b/Engine/Source/Programs/UnrealBuildTool/Configuration/UEBuildModuleCPP.cs
index ad61e4bdf57..9971b8ca9fa 100644
--- a/Engine/Source/Programs/UnrealBuildTool/Configuration/UEBuildModuleCPP.cs
+++ b/Engine/Source/Programs/UnrealBuildTool/Configuration/UEBuildModuleCPP.cs
@@ -437,6 +437,11 @@ namespace UnrealBuildTool
                        // Write all the definitions to a separate file
                        CreateHeaderForDefinitions(CompileEnvironment, IntermediateDirectory, null, Graph);
 
+                       // patch 
+                       if (CompileEnvironment.Definitions.Count > 0)