diff --git a/drivers/input/input.c b/drivers/input/input.c
index 9ea713f4192b..3bb6907f26d6 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1473,7 +1473,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
 {
 	int len;
 
-	if (add_uevent_var(env, "%s=", name))
+	if (add_uevent_var(env, "%s", name))
 		return -ENOMEM;
 
 	len = input_print_bitmap(&env->buf[env->buflen - 1],