diff --git a/cube/User/Src/configCmds.c b/cube/User/Src/configCmds.c
index e122556..306c5ba 100644
--- a/cube/User/Src/configCmds.c
+++ b/cube/User/Src/configCmds.c
@@ -237,7 +237,7 @@ static bool changeDeviceCmd(uint8_t argc, char **args) {
     bool retCode = makeDevice(argc, args, &deviceBlock, &index);
     if (retCode) {
         sendString("Changed device would be:\n\r");
-        sendFormatString("  Index: %d\n\r");
+        sendFormatString("  Index: %d\n\r", index);
         sendFormatString("  Name: %s, Address: %d, Period: %d\n\r", 
                          deviceBlock.deviceName, deviceBlock.address, deviceBlock.period);
         for (uint8_t i = 0; i < MBUSDEVICE_NUM_OF_CONSIDEREDFIELDS; i++) {