diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c
index 0b056a15de23e54d68c46f017ddfcd5460c01741..8f4da8621dde85bd2b3f75cac6659407e66ecc27 100644
--- a/cpu/ppc4xx/i2c.c
+++ b/cpu/ppc4xx/i2c.c
@@ -460,6 +460,7 @@ int i2c_set_bus_num(unsigned int bus)
 
 	return 0;
 }
+#endif	/* CONFIG_I2C_MULTI_BUS */
 
 /* TODO: add 100/400k switching */
 unsigned int i2c_get_bus_speed(void)
@@ -474,5 +475,4 @@ int i2c_set_bus_speed(unsigned int speed)
 
 	return 0;
 }
-#endif	/* CONFIG_I2C_MULTI_BUS */
 #endif	/* CONFIG_HARD_I2C */