diff --git a/arch/arm/src/stm32f7/stm32_i2c.c b/arch/arm/src/stm32f7/stm32_i2c.c
index d6a29485b6..53c74c7ca2 100644
--- a/arch/arm/src/stm32f7/stm32_i2c.c
+++ b/arch/arm/src/stm32f7/stm32_i2c.c
@@ -1102,7 +1102,8 @@ static inline void stm32_i2c_sem_init(FAR struct i2c_master_s *dev)
    */
 
   nxsem_init(&((struct stm32_i2c_inst_s *)dev)->priv->sem_isr, 0, 0);
-  nxsem_set_protocol(&((struct stm32_i2c_inst_s *)dev)->priv->sem_isr, SEM_PRIO_NONE);
+  nxsem_set_protocol(&((struct stm32_i2c_inst_s *)dev)->priv->sem_isr,
+                     SEM_PRIO_NONE);
 #endif
 }