diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index f34760a1e222..5bd01624e447 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1915,6 +1915,8 @@ static void irq_domain_check_hierarchy(struct irq_domain *domain)
 #endif	/* CONFIG_IRQ_DOMAIN_HIERARCHY */
 
 #ifdef CONFIG_GENERIC_IRQ_DEBUGFS
+#include "internals.h"
+
 static struct dentry *domain_dir;
 
 static void