diff --git a/lib/stm32/common/i2c_common_all.c b/lib/stm32/common/i2c_common_all.c
index 41cc6e6a..1af665fa 100644
--- a/lib/stm32/common/i2c_common_all.c
+++ b/lib/stm32/common/i2c_common_all.c
@@ -52,21 +52,21 @@ the reset condition. The reset is effected via the RCC peripheral reset system.
 void i2c_reset(uint32_t i2c)
 {
 	switch (i2c) {
-		case I2C1:
-			rcc_periph_reset_pulse(RST_I2C1);
-			break;
+	case I2C1:
+		rcc_periph_reset_pulse(RST_I2C1);
+		break;
 #if defined(I2C2_BASE)
-		case I2C2:
-			rcc_periph_reset_pulse(RST_I2C2);
-			break;
+	case I2C2:
+		rcc_periph_reset_pulse(RST_I2C2);
+		break;
 #endif
 #if defined(I2C3_BASE)
-		case I2C3:
-			rcc_periph_reset_pulse(RST_I2C3);
-			break;
+	case I2C3:
+		rcc_periph_reset_pulse(RST_I2C3);
+		break;
 #endif
-		default:
-			break;
+	default:
+		break;
 	}
 }