diff --git a/MdePkg/Include/Library/PeCoffLib.h b/MdePkg/Include/Library/PeCoffLib.h
index 56c338ca84..4f319e4f3e 100644
--- a/MdePkg/Include/Library/PeCoffLib.h
+++ b/MdePkg/Include/Library/PeCoffLib.h
@@ -66,7 +66,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 **/
 typedef
 RETURN_STATUS
-(EFIAPI *PE_COFF_LOADER_READ_FILE) (
+(EFIAPI *PE_COFF_LOADER_READ_FILE)(
   IN     VOID   *FileHandle,
   IN     UINTN  FileOffset,
   IN OUT UINTN  *ReadSize,