diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index dd76323ea3fd7410d56dc648441595e3474e6426..bde31468c19df2e7842641f40f906adcfd6d4b8d 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -166,7 +166,7 @@ struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode,
 {
 	struct irq_sim_work_ctx *work_ctx;
 
-	work_ctx = kmalloc(sizeof(*work_ctx), GFP_KERNEL);
+	work_ctx = kzalloc(sizeof(*work_ctx), GFP_KERNEL);
 	if (!work_ctx)
 		goto err_out;