I'm trying to make a maps call from my ionic framework app. In my html file I use:

```
<a ng-href="maps://?q={{dest.Latitude}},{{dest.Longitude}}">Maps</a>
<div>{{dest.Latitude}},{{dest.Longitude}}</div>

```

In my controller the data for `dest` looks like this:

```
{"Latitude":12.34567, "Longitude":1.23456}

```

The latitude and longitude are shown in the div correctly.

But I get an error if I click on the link:

```
Failed to load webpage with error: The URL can't be shown

```

I also tried to cast the lat and long to string but it had no effect on it. 

If I use static geocordinates like this everything works fine:

```
<a ng-href="maps://?q=12.34567,1.23456">Maps</a>

```

What am I missing?