diff --git a/src/ChangeLog b/src/ChangeLog
index cd82e91c2dd..d5da7f7aa5b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2014-06-25  Glenn Morris  <rgm@gnu.org>
+
+	* puresize.h (BASE_PURESIZE): Bump by another 1K.  (Bug#17846)
+
 2014-06-21  Eli Zaretskii  <eliz@gnu.org>
 
 	* indent.c (Fvertical_motion): Doc fix.
diff --git a/src/puresize.h b/src/puresize.h
index 1371fb3cea2..43a4d8c5c6a 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -40,7 +40,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 
 #ifndef BASE_PURESIZE
-#define BASE_PURESIZE (1701000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)
+#define BASE_PURESIZE (1702000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)
 #endif
 
 /* Increase BASE_PURESIZE by a ratio depending on the machine's word size.  */