diff --git a/NetworkPkg/Library/DxeNetLib/NetBuffer.c b/NetworkPkg/Library/DxeNetLib/NetBuffer.c
index a232802c9a..329a17623d 100644
--- a/NetworkPkg/Library/DxeNetLib/NetBuffer.c
+++ b/NetworkPkg/Library/DxeNetLib/NetBuffer.c
@@ -1063,7 +1063,7 @@ NetbufAllocSpace (
     } else {
       NetbufGetByte (Nbuf, 0, &Index);
 
-      if ((NET_HEADSPACE(&(Nbuf->BlockOp[Index])) < Len) && (Index > 0)) {
+      if ((Index != 0) && (NET_HEADSPACE(&(Nbuf->BlockOp[Index])) < Len)) {
         Index--;
       }
     }