diff --git a/EdkCompatibilityPkg/Foundation/Library/Thunk16/x86Thunk.c b/EdkCompatibilityPkg/Foundation/Library/Thunk16/X86Thunk.c
similarity index 100%
rename from EdkCompatibilityPkg/Foundation/Library/Thunk16/x86Thunk.c
rename to EdkCompatibilityPkg/Foundation/Library/Thunk16/X86Thunk.c