diff --git a/src/ChangeLog b/src/ChangeLog
index 1b8b3c56004..f3ded8e3986 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-02  Eli Zaretskii  <eliz@gnu.org>
+
+	* lisp.h (XPNTR) [!USE_LSB_TAG]: Fix parentheses nesting.  (Bug#13734)
+
 2013-02-28  Eli Zaretskii  <eliz@gnu.org>
 
 	* w32.c (sys_open): Don't reset the flags for FD in fd_info[].
diff --git a/src/lisp.h b/src/lisp.h
index e696371c58b..01574a5fe03 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -507,7 +507,7 @@ static EMACS_INT const VALMASK
 
 /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
    which were stored in a Lisp_Object.  */
-#define XPNTR(a) ((uintptr_t) ((XLI (a) & VALMASK)) | DATA_SEG_BITS))
+#define XPNTR(a) ((uintptr_t) ((XLI (a) & VALMASK) | DATA_SEG_BITS))
 
 #endif /* not USE_LSB_TAG */