diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index d5d7114658..7b68001dc6 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -1569,7 +1569,7 @@ static int try_firmware(char *s)
 		ast_log(LOG_WARNING, "Cannot open '%s': %s\n", s, strerror(errno));
 		return -1;
 	}
-	fd = open(s2, O_RDWR | O_CREAT | O_EXCL);
+	fd = open(s2, O_RDWR | O_CREAT | O_EXCL, 0600);
 	if (fd < 0) {
 		ast_log(LOG_WARNING, "Cannot open '%s' for writing: %s\n", s2, strerror(errno));
 		close(ifd);
diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 11165ae046..0450a2a8c7 100644
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -9479,7 +9479,7 @@ static int handle_pri_set_debug_file(int fd, int argc, char **argv)
 		if (ast_strlen_zero(argv[4]))
 			return RESULT_SHOWUSAGE;
 
-		myfd = open(argv[4], O_CREAT|O_WRONLY);
+		myfd = open(argv[4], O_CREAT|O_WRONLY, 0600);
 		if (myfd < 0) {
 			ast_cli(fd, "Unable to open '%s' for writing\n", argv[4]);
 			return RESULT_SUCCESS;