diff --git a/arch/arm/src/stm32/stm32_i2c.c b/arch/arm/src/stm32/stm32_i2c.c
index db8f6da4c9..4f55a5709a 100644
--- a/arch/arm/src/stm32/stm32_i2c.c
+++ b/arch/arm/src/stm32/stm32_i2c.c
@@ -106,10 +106,10 @@
 /* Interrupt wait timeout in seconds and milliseconds */
 
 #if !defined(CONFIG_STM32_I2CTIMEOSEC) && !defined(CONFIG_STM32_I2CTIMEOMS)
-#  define  CONFIG_STM32_I2CTIMEOSEC 0
+#  define CONFIG_STM32_I2CTIMEOSEC 0
 #  define CONFIG_STM32_I2CTIMEOMS   500   /* Default is 500 milliseconds */
 #elif !defined(CONFIG_STM32_I2CTIMEOSEC)
-#  define  CONFIG_STM32_I2CTIMEOSEC 0     /* User provided milliseconds */
+#  define CONFIG_STM32_I2CTIMEOSEC 0     /* User provided milliseconds */
 #elif !defined(CONFIG_STM32_I2CTIMEOMS)
 #  define CONFIG_STM32_I2CTIMEOMS   0     /* User provided seconds */
 #endif