diff --git a/dlls/netapi32/wksta.c b/dlls/netapi32/wksta.c
index 85a33689d7f..7b39fd98fab 100644
--- a/dlls/netapi32/wksta.c
+++ b/dlls/netapi32/wksta.c
@@ -98,7 +98,7 @@ static void wprint_mac(WCHAR* buffer, int len, const MIB_IFROW *ifRow)
         else
             buffer[2*i+1] = (WCHAR)((val & 0xf) + '0');
     }
-    buffer[2*i]=(WCHAR)0;
+    buffer[2*i]=0;
 }
 
 /* Theoretically this could be too short, except that MS defines