diff --git a/Libraries/Boards/MAX32665/MAXREFDES178/Source/board.c b/Libraries/Boards/MAX32665/MAXREFDES178/Source/board.c
index 3c6b0fbe166..2ced62d098d 100644
--- a/Libraries/Boards/MAX32665/MAXREFDES178/Source/board.c
+++ b/Libraries/Boards/MAX32665/MAXREFDES178/Source/board.c
@@ -67,6 +67,17 @@ __weak void GPIO1_IRQHandler(void)
     MXC_GPIO_Handler(MXC_GPIO_GET_IDX(MXC_GPIO1));
 }
 
+/******************************************************************************/
+/** 
+ * NOTE: This is a legacy definition from the previous implementation of pb.c. This
+ *       definition will prevent the MAXREFDES178 from hanging until a permanent fix
+ *       is added to the MaximIntegratedAI/refdes github repository.
+ **/
+__weak void GPIO0_IRQHandler(void)
+{
+    MXC_GPIO_Handler(MXC_GPIO_GET_IDX(MXC_GPIO0));
+}
+
 /******************************************************************************/
 static int ext_flash_board_init(void)
 {