diff --git a/reactos/dll/win32/kernel32/file/deviceio.c b/reactos/dll/win32/kernel32/file/deviceio.c
index 0d2c113c165..670002d36aa 100644
--- a/reactos/dll/win32/kernel32/file/deviceio.c
+++ b/reactos/dll/win32/kernel32/file/deviceio.c
@@ -184,9 +184,7 @@ GetOverlappedResult (
     }
   }
 
-
-  if (lpNumberOfBytesTransferred)
-    *lpNumberOfBytesTransferred = lpOverlapped->InternalHigh;
+  *lpNumberOfBytesTransferred = lpOverlapped->InternalHigh;
 
   if (!NT_SUCCESS(lpOverlapped->Internal))
   {