diff --git a/res/res_agi.c b/res/res_agi.c
index 830a11278d..8b2dc0c393 100644
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -1649,9 +1649,8 @@ static int agi_exec_full(struct ast_channel *chan, void *data, int enhanced, int
 	strncpy(buf, data, sizeof(buf) - 1);
 
 	memset(&agi, 0, sizeof(agi));
-        while ((stringp = strsep(&tmp, "|"))) {
+        while ((stringp = strsep(&tmp, "|")) && argc < MAX_ARGS - 1)
 		argv[argc++] = stringp;
-        }
 	argv[argc] = NULL;
 
 	LOCAL_USER_ADD(u);