diff --git a/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf b/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf
index ebaed91e6a..990e9aaf61 100644
--- a/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf
+++ b/MdeModulePkg/Library/GenericBdsLib/GenericBdsLib.inf
@@ -44,19 +44,19 @@
   R8Lib.h
 
 [Sources.Ia32]
-  Ia32\ClearDr.asm
-  Ia32\BmMachine.h
+  Ia32/ClearDr.asm
+  Ia32/BmMachine.h
 
 [Sources.X64]
-  x64\ClearDr.asm
-  x64\BmMachine.h
+  x64/ClearDr.asm
+  x64/BmMachine.h
 
 [Sources.IPF]
-  Ipf\ShadowRom.c
-  Ipf\BmMachine.h
+  Ipf/ShadowRom.c
+  Ipf/BmMachine.h
 
 [Sources.EBC]
-  Ebc\BmMachine.h
+  Ebc/BmMachine.h
 
 
 [Packages]