diff --git a/os/hal/ports/STM32/LLD/USBHv1/hal_usbh_lld.c b/os/hal/ports/STM32/LLD/USBHv1/hal_usbh_lld.c
index 41f1aacac8..1f6ef131f3 100644
--- a/os/hal/ports/STM32/LLD/USBHv1/hal_usbh_lld.c
+++ b/os/hal/ports/STM32/LLD/USBHv1/hal_usbh_lld.c
@@ -82,6 +82,9 @@
 #if !defined(STM32_OTG2_USE_HS)
 #define STM32_OTG2_USE_HS FALSE
 #endif
+#if !defined(STM32_OTG1_USE_ULPI)
+#define STM32_OTG1_USE_ULPI FALSE
+#endif
 #if !defined(STM32_OTG2_USE_ULPI)
 #define STM32_OTG2_USE_ULPI FALSE
 #endif