diff --git a/arch/arm/soc/st_stm32/stm32f1/soc_config.c b/arch/arm/soc/st_stm32/stm32f1/soc_config.c
index bc98d4abb02..02864ee49a9 100644
--- a/arch/arm/soc/st_stm32/stm32f1/soc_config.c
+++ b/arch/arm/soc/st_stm32/stm32f1/soc_config.c
@@ -108,7 +108,7 @@ static const stm32_pin_func_t pin_pb6_funcs[] = {
 };
 
 static const stm32_pin_func_t pin_pb7_funcs[] = {
-	PINMUX_I2C(PB6, I2C1, SDA)
+	PINMUX_I2C(PB7, I2C1, SDA)
 };
 
 static const stm32_pin_func_t pin_pb8_funcs[] = {