diff --git a/common/rfb/SMsgWriter.cxx b/common/rfb/SMsgWriter.cxx
index 6ef7692..3da9413 100644
--- a/common/rfb/SMsgWriter.cxx
+++ b/common/rfb/SMsgWriter.cxx
@@ -350,7 +350,7 @@
   if (needSetCursor) {
     const Cursor& cursor = cp->cursor();
 
-    rdr::U8Array data(cursor.width()*cursor.height() * cp->pf().bpp/8);
+    rdr::U8Array data(cursor.width()*cursor.height() * (cp->pf().bpp/8));
     rdr::U8Array mask(cursor.getMask());
 
     const rdr::U8* in;