diff --git a/firmware/config/stm32h7ems/mcuconf.h b/firmware/config/stm32h7ems/mcuconf.h
index da3237e30e..b09f5def5d 100644
--- a/firmware/config/stm32h7ems/mcuconf.h
+++ b/firmware/config/stm32h7ems/mcuconf.h
@@ -483,4 +483,6 @@
 #define STM32_WSPI_QUADSPI1_MDMA_PRIORITY   1
 #define STM32_WSPI_MDMA_ERROR_HOOK(qspip)   osalSysHalt("MDMA failure")
 
+#define STM32_SYSCLK STM32_SYS_CK
+
 #endif /* MCUCONF_H */