diff --git a/boards/arm/96b_carbon/pinmux.c b/boards/arm/96b_carbon/pinmux.c
index 31ad06b1619..b63015a5ae0 100644
--- a/boards/arm/96b_carbon/pinmux.c
+++ b/boards/arm/96b_carbon/pinmux.c
@@ -49,7 +49,7 @@ static const struct pin_config pinconf[] = {
 #ifdef CONFIG_USB_DC_STM32
 	{STM32_PIN_PA11, STM32F4_PINMUX_FUNC_PA11_OTG_FS_DM},
 	{STM32_PIN_PA12, STM32F4_PINMUX_FUNC_PA12_OTG_FS_DP},
-#endif	/* CONFIG_USB_DC_STM */
+#endif	/* CONFIG_USB_DC_STM32 */
 };
 
 static int pinmux_stm32_init(struct device *port)
diff --git a/boards/arm/nucleo_f413zh/pinmux.c b/boards/arm/nucleo_f413zh/pinmux.c
index 2c09bd060c7..acb0bed3d9e 100644
--- a/boards/arm/nucleo_f413zh/pinmux.c
+++ b/boards/arm/nucleo_f413zh/pinmux.c
@@ -24,7 +24,7 @@ static const struct pin_config pinconf[] = {
 #ifdef CONFIG_USB_DC_STM32
 	{STM32_PIN_PA11, STM32F4_PINMUX_FUNC_PA11_OTG_FS_DM},
 	{STM32_PIN_PA12, STM32F4_PINMUX_FUNC_PA12_OTG_FS_DP},
-#endif	/* CONFIG_USB_DC_STM */
+#endif	/* CONFIG_USB_DC_STM32 */
 };
 
 static int pinmux_stm32_init(struct device *port)
diff --git a/boards/arm/stm32f3_disco/pinmux.c b/boards/arm/stm32f3_disco/pinmux.c
index 2ea6fcf16b0..f2fe2d3712a 100644
--- a/boards/arm/stm32f3_disco/pinmux.c
+++ b/boards/arm/stm32f3_disco/pinmux.c
@@ -45,7 +45,7 @@ static const struct pin_config pinconf[] = {
 #ifdef CONFIG_USB_DC_STM32
 	{STM32_PIN_PA11, STM32F3_PINMUX_FUNC_PA11_USB_DM},
 	{STM32_PIN_PA12, STM32F3_PINMUX_FUNC_PA12_USB_DP},
-#endif	/* CONFIG_USB_DC_STM */
+#endif	/* CONFIG_USB_DC_STM32 */
 };
 
 static int pinmux_stm32_init(struct device *port)