diff --git a/kernel/params.c b/kernel/params.c
index 5538608..5513844 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -314,9 +314,10 @@
 int param_array_set(const char *val, struct kernel_param *kp)
 {
 	struct kparam_array *arr = kp->arg;
+	unsigned int temp_num;
 
 	return param_array(kp->name, val, 1, arr->max, arr->elem,
-			   arr->elemsize, arr->set, arr->num ?: &arr->max);
+			   arr->elemsize, arr->set, arr->num ?: &temp_num);
 }
 
 int param_array_get(char *buffer, struct kernel_param *kp)