diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index c87d5b6a8a55a3c02719ebfde3761f948ec2c35b..8056def4c02802d4f8570eb115fa0bc3d1a55f78 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;