diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index d397b1ad5ccf01dc08c906b359fa8e0e7602c888..c31fac25d676b3a33ecbac3abd9961247486e56a 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -84,7 +84,7 @@ static int kobject_action_type(const char *buf, size_t count,
 	for (action = 0; action < ARRAY_SIZE(kobject_actions); action++) {
 		if (strncmp(kobject_actions[action], buf, count_first) != 0)
 			continue;
-		if (kobject_actions[action][count_first] != '\0')
+		if (strlen(kobject_actions[action]) > count_first)
 			continue;
 		if (args)
 			*args = args_start;