Index: main/config.c
===================================================================
--- main/config.c	(revision 115198)
+++ main/config.c	(working copy)
@@ -1056,9 +1056,10 @@
 				/* #exec </path/to/executable>
 				   We create a tmp file, then we #include it, then we delete it. */
 				if (!do_include) {
+					struct timeval tv = ast_tvnow();
 					if (!ast_test_flag(&flags, CONFIG_FLAG_NOCACHE))
 						config_cache_attribute(configfile, ATTRIBUTE_EXEC, NULL, who_asked);
-					snprintf(exec_file, sizeof(exec_file), "/var/tmp/exec.%d.%ld", (int)time(NULL), (long)pthread_self());
+					snprintf(exec_file, sizeof(exec_file), "/var/tmp/exec.%d%d.%ld", (int)tv.tv_sec, (int)tv.tv_usec, (long)pthread_self());
 					snprintf(cmd, sizeof(cmd), "%s > %s 2>&1", cur, exec_file);
 					ast_safe_system(cmd);
 					cur = exec_file;