diff --git a/bsps/include/bsp/irq-generic.h b/bsps/include/bsp/irq-generic.h
index eeea2e3df2..fb22790e84 100644
--- a/bsps/include/bsp/irq-generic.h
+++ b/bsps/include/bsp/irq-generic.h
@@ -703,7 +703,7 @@ rtems_status_code bsp_interrupt_check_and_lock(
 rtems_interrupt_entry *bsp_interrupt_entry_find(
   rtems_vector_number      vector,
   rtems_interrupt_handler  routine,
-  void                    *arg,
+  const void              *arg,
   rtems_interrupt_entry ***previous_next
 );
 
diff --git a/bsps/shared/irq/irq-generic.c b/bsps/shared/irq/irq-generic.c
index b6238025b7..eea92dd072 100644
--- a/bsps/shared/irq/irq-generic.c
+++ b/bsps/shared/irq/irq-generic.c
@@ -136,7 +136,7 @@ rtems_status_code bsp_interrupt_check_and_lock(
 rtems_interrupt_entry *bsp_interrupt_entry_find(
   rtems_vector_number      vector,
   rtems_interrupt_handler  routine,
-  void                    *arg,
+  const void              *arg,
   rtems_interrupt_entry ***previous_next
 )
 {