diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
index 05e3ed501d..6f0f5e5438 100644
--- a/MdePkg/Library/BasePrintLib/PrintLibInternal.c
+++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
@@ -81,13 +81,13 @@ BasePrintLibFillBuffer (
     for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
       *Buffer       =  (CHAR8) Character;
       *(Buffer + 1) =  (CHAR8) (Character >> 8);
+      Buffer += Increment;
     }
-    Buffer += Increment;
   } else {
     for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
       *Buffer       =  (CHAR8) Character;
+      Buffer += Increment;
     }
-    Buffer += Increment;
   }
   return Buffer;
 }