2 files changed, 5 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d6210b2b336..fdcab515f4f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2012-07-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+        * buffer.c (Fgenerate_new_buffer_name): Fix sprintf format mismatch.
+
 2012-07-04  Dmitry Antipov  <dmantipov@yandex.ru>
 
         * buffer.c (Fgenerate_new_buffer_name): Fix type mismatch.
diff --git a/src/buffer.c b/src/buffer.c
index d9c0796af33..1e68d7d6b74 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -859,7 +859,7 @@ is first appended to NAME, to speed up finding a non-existent buffer.  */)
   if (!strncmp (SSDATA (name), " ", 1)) /* see bug#1229 */
     {
       /* Note fileio.c:make_temp_name does random differently.  */
-      sprintf (number, "-%"pD"d", XFASTINT (Frandom (make_number (999999))));
+      sprintf (number, "-%"pI"d", XFASTINT (Frandom (make_number (999999))));
       tem2 = concat2 (name, build_string (number));
       tem = Fget_buffer (tem2);
       if (NILP (tem))