diff --git a/c/src/lib/libbsp/shared/src/irq-generic.c b/c/src/lib/libbsp/shared/src/irq-generic.c
old mode 100644
new mode 100755
index c62a75602e..b2a7ced64c
--- a/c/src/lib/libbsp/shared/src/irq-generic.c
+++ b/c/src/lib/libbsp/shared/src/irq-generic.c
@@ -125,7 +125,7 @@ static inline bool bsp_interrupt_allocate_handler_index(
 
     return false;
   #else
-    *index = vector;
+    *index = bsp_interrupt_handler_index(vector);
     return true;
   #endif
 }