diff --git a/conf/modules/gps_ubx_i2c.xml b/conf/modules/gps_ubx_i2c.xml
index ce51226f26..ab1e733f3c 100644
--- a/conf/modules/gps_ubx_i2c.xml
+++ b/conf/modules/gps_ubx_i2c.xml
@@ -5,9 +5,11 @@
     <description>
       U-blox GPS (I2C)
     </description>
-    <configure name="GPS_UBX_I2C_DEV" value="i2cX" description="set i2c peripheral (default: i2c0)"/>
+    <configure name="GPS_UBX_I2C_DEV" value="i2cX" description="set i2c peripheral (default: i2c1)"/>
   </doc>
 
+  <depends>gps_ublox</depends>
+
   <header>
     <file name="gps_ubx_i2c.h"/>
   </header>
@@ -16,7 +18,7 @@
   <event fun="GpsUbxi2cEvent()"/>
 
   <makefile>
-    <configure name="GPS_UBX_I2C_DEV" default="i2c2" case="upper|lower"/>
+    <configure name="GPS_UBX_I2C_DEV" default="i2c1" case="upper|lower"/>
     <define name="USE_$(GPS_UBX_I2C_DEV_UPPER)"/>
     <define name="GPS_UBX_I2C_DEV" value="$(GPS_UBX_I2C_DEV_LOWER)"/>
     <define name="GPS_I2C"/>