diff --git a/awesome.c b/awesome.c
index be0837205..07aaa4608 100644
--- a/awesome.c
+++ b/awesome.c
@@ -264,9 +264,7 @@ xerror(Display * edpy, XErrorEvent * ee)
                                               && ee->error_code == BadAccess)
        || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
         return 0;
-    fprintf(stderr, "awesome: fatal error: request code=%d, error code=%d\n",
-            ee->request_code, ee->error_code);
-
+    warn("fatal error: request code=%d, error code=%d\n", ee->request_code, ee->error_code);
     return xerrorxlib(edpy, ee);        /* may call exit */
 }
 
diff --git a/config.c b/config.c
index c6ecba447..608aa6b90 100644
--- a/config.c
+++ b/config.c
@@ -145,7 +145,7 @@ parse_mouse_bindings(cfg_t * cfg, const char *secname, Bool handle_arg)
         b->button = mouse_button_lookup(cfg_getstr(cfgsectmp, "button"));
         b->func = name_func_lookup(cfg_getstr(cfgsectmp, "command"), UicbList);
         if(!b->func)
-            fprintf(stderr, "awesome: unknown command %s\n", cfg_getstr(cfgsectmp, "command"));
+            warn("unknown command %s\n", cfg_getstr(cfgsectmp, "command"));
         if(handle_arg)
             b->arg = a_strdup(cfg_getstr(cfgsectmp, "arg"));
         else
@@ -344,7 +344,7 @@ parse_config(const char *confpatharg, awesome_config *awesomeconf)
 
         if(!cfg_screen)
         {
-            fprintf(stderr, "awesome: parsing configuration file failed, no screen section found");
+            warn("parsing configuration file failed, no screen section found");
             cfg_parse_buf(cfg, AWESOME_DEFAULT_CONFIG);
             cfg_screen = cfg_getsec(cfg, "screen");
         }
@@ -403,7 +403,7 @@ parse_config(const char *confpatharg, awesome_config *awesomeconf)
             awesomeconf->screens[screen].layouts[i].arrange = name_func_lookup(cfg_title(cfgsectmp), LayoutsList);
             if(!awesomeconf->screens[screen].layouts[i].arrange)
             {
-                fprintf(stderr, "awesome: unknown layout %s in configuration file\n", cfg_title(cfgsectmp));
+                warn("unknown layout %s in configuration file\n", cfg_title(cfgsectmp));
                 awesomeconf->screens[screen].layouts[i].symbol = NULL;
                 continue;
             }
diff --git a/xutil.c b/xutil.c
index 57fda4a57..aea58016b 100644
--- a/xutil.c
+++ b/xutil.c
@@ -52,7 +52,7 @@ uicb_spawn(awesome_config * awesomeconf,
                 close(ConnectionNumber(awesomeconf->display));
             setsid();
             execl(shell, shell, "-c", arg, (char *) NULL);
-            fprintf(stderr, "awesome: execl '%s -c %s'", shell, arg);
+            warn("execl '%s -c %s'", shell, arg);
             perror(" failed");
         }
         exit(EXIT_SUCCESS);