diff --git a/gnome-session-kdm-support.patch b/gnome-session-kdm-support.patch
index 796975d..2824f76 100644
--- a/gnome-session-kdm-support.patch
+++ b/gnome-session-kdm-support.patch
@@ -104,7 +104,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  
                  return FALSE;
          }
-@@ -299,13 +304,76 @@ gdm_init_protocol_connection (GdmProtoco
+@@ -299,13 +304,78 @@ gdm_init_protocol_connection (GdmProtoco
  
          if (!gdm_authenticate_connection (data)) {
                  g_warning ("Failed to authenticate with GDM");
@@ -123,6 +123,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
 +        char               *dm_display;
 +        char               *dm_control;
 +        char               *p0 = NULL;
++        int width;
 +
 +        g_assert (data->fd <= 0);
 +
@@ -150,8 +151,9 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
 +                return FALSE;
 +        }
 +
++        width = p0 ? p0 - dm_display : 512;
 +        snprintf (addr.sun_path, sizeof (addr.sun_path), "%s/dmctl-%.*s/socket",
-+                  dm_control, p0 ? p0 - dm_display : 512, dm_display);
++                  dm_control, width, dm_display);
 +        addr.sun_family = AF_UNIX;
 +
 +        g_free (dm_display);
@@ -182,7 +184,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  static void
  gdm_parse_query_response (GdmProtocolData *data,
                            const char      *response)
-@@ -360,7 +428,23 @@ gdm_parse_query_response (GdmProtocolDat
+@@ -360,7 +430,23 @@ gdm_parse_query_response (GdmProtocolDat
  }
  
  static void
@@ -207,7 +209,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  {
          time_t current_time;
          char  *response;
-@@ -373,26 +457,35 @@ gdm_update_logout_actions (GdmProtocolDa
+@@ -373,26 +459,35 @@ gdm_update_logout_actions (GdmProtocolDa
  
          data->last_update = current_time;
  
@@ -250,7 +252,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  
          return TRUE;
  }
-@@ -400,7 +493,7 @@ gdm_is_available (void)
+@@ -400,7 +495,7 @@ gdm_is_available (void)
  gboolean
  gdm_supports_logout_action (GdmLogoutAction action)
  {
@@ -259,7 +261,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  
          return (gdm_protocol_data.available_actions & action) != 0;
  }
-@@ -408,21 +501,15 @@ gdm_supports_logout_action (GdmLogoutAct
+@@ -408,21 +503,15 @@ gdm_supports_logout_action (GdmLogoutAct
  GdmLogoutAction
  gdm_get_logout_action (void)
  {
@@ -284,7 +286,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  
          switch (action) {
          case GDM_LOGOUT_ACTION_NONE:
-@@ -439,16 +526,58 @@ gdm_set_logout_action (GdmLogoutAction a
+@@ -439,16 +528,58 @@ gdm_set_logout_action (GdmLogoutAction a
                  break;
          }
  
@@ -346,7 +348,7 @@ Index: gnome-session-3.4.1/gnome-session/gdm.c
  }
  
  void
-@@ -456,16 +585,16 @@ gdm_new_login (void)
+@@ -456,16 +587,16 @@ gdm_new_login (void)
  {
          char *response;
  
diff --git a/gnome-session.changes b/gnome-session.changes
index b7733fd..391b6fe 100644
--- a/gnome-session.changes
+++ b/gnome-session.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jun 26 17:31:51 UTC 2013 - mgorse@suse.com
+
+- Fix gnome-session-kdm-support.patch: gcc 4.8 became stricter in
+  the use of snprintf.
+
 -------------------------------------------------------------------
 Wed May 15 14:10:24 UTC 2013 - dimstar@opensuse.org