diff --git a/arch/arm/src/stm32/stm32f40xxx_i2c.c b/arch/arm/src/stm32/stm32f40xxx_i2c.c
index 09748221441..c8881c89ede 100644
--- a/arch/arm/src/stm32/stm32f40xxx_i2c.c
+++ b/arch/arm/src/stm32/stm32f40xxx_i2c.c
@@ -716,7 +716,7 @@ static inline int stm32_i2c_sem_waitdone(FAR struct stm32_i2c_priv_s *priv)
 
   while (priv->intstate != INTSTATE_DONE && elapsed < timeout);
 
-  i2cinfo("intstate: %d elapsed: %ld threshold: %ld status: %08x\n",
+  i2cinfo("intstate: %d elapsed: %ld threshold: %ld status: %08" PRIx32 "\n",
           priv->intstate, (long)elapsed, (long)timeout, priv->status);
 
   /* Set the interrupt state back to IDLE */