diff --git a/ports/arm/platforms/dm36x/atomport-private.c b/ports/arm/platforms/dm36x/atomport-private.c
index 7b55085..c045f31 100644
--- a/ports/arm/platforms/dm36x/atomport-private.c
+++ b/ports/arm/platforms/dm36x/atomport-private.c
@@ -166,7 +166,7 @@ low_level_init (void)
  * @retval ATOM_OK Success
  * @retval ATOM_ERROR Error
  */
-int archInstallISR (int int_vector, ISR_FUNC isr_func)
+int archIntInstallISR (int int_vector, ISR_FUNC isr_func)
 {
     int status;