diff --git a/src/portable/renesas/rusb2/rusb2_ra.c b/src/portable/renesas/rusb2/rusb2_ra.c
index 2b6ce7b2f..ff2191b1f 100644
--- a/src/portable/renesas/rusb2/rusb2_ra.c
+++ b/src/portable/renesas/rusb2/rusb2_ra.c
@@ -1,16 +1,16 @@
 #include "tusb_option.h"
 #include "rusb2_ra.h"
 
-#ifdef CFG_TUSB_RHPORT0_MODE
+#if (CFG_TUSB_RHPORT0_MODE != 0)
 IRQn_Type _usb_fs_irqn = USBFS_INT_IRQn;
 void tud_set_irq_usbfs(IRQn_Type q) {
   _usb_fs_irqn = q;
 }
 #endif
 
-#ifdef CFG_TUSB_RHPORT1_MODE
+#if (CFG_TUSB_RHPORT1_MODE != 0)
 IRQn_Type _usb_hs_irqn = USBHS_USB_INT_RESUME_IRQn;
 void tud_set_irq_usbhs(IRQn_Type q) {
   _usb_hs_irqn = q;
 }
-#endif
\ No newline at end of file
+#endif