diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Ipf/RuntimeLib.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Ipf/RuntimeLib.c
index 777ff2a8ab..84ec5f1f8b 100644
--- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Ipf/RuntimeLib.c
+++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/EdkDxeRuntimeDriverLib/Ipf/RuntimeLib.c
@@ -20,7 +20,7 @@ Abstract:
 
 --*/
 
-#include "..\RuntimeLibInternal.h"
+#include "../RuntimeLibInternal.h"
 
 //
 // Driver Lib Module Globals