diff --git a/arch/arm/src/stm32h7/stm32_rptun.c b/arch/arm/src/stm32h7/stm32_rptun.c
index f0f03e2c66b..c68f4a89482 100644
--- a/arch/arm/src/stm32h7/stm32_rptun.c
+++ b/arch/arm/src/stm32h7/stm32_rptun.c
@@ -49,7 +49,7 @@
 #    error CONFIG_OPENAMP_CACHE must be set
 #  endif
 #  if defined(CONFIG_ARMV7M_DCACHE) && !defined(CONFIG_ARM_MPU)
-#    erro CONFIG_ARM_MPU must be enabled
+#    error CONFIG_ARM_MPU must be enabled
 #  endif
 #endif