diff --git a/aleksis/apps/paweljong/forms.py b/aleksis/apps/paweljong/forms.py
index 4e4426515b1f309ad31caf225252fc79ea5a837c..52f240c7dc2dd37ace905c9c7e30becc4a9443bc 100644
--- a/aleksis/apps/paweljong/forms.py
+++ b/aleksis/apps/paweljong/forms.py
@@ -504,7 +504,6 @@ class PersonGroupFormPerson(forms.Form):
 
 
 class EventCheckpointForm(forms.Form):
-
     layout = Layout("username")
 
     comment = forms.CharField(
@@ -519,3 +518,20 @@ class EventCheckpointForm(forms.Form):
         widget=forms.TextInput(attrs={"autofocus": "", "autocomplete": "off"}),
         help_text=_("Please enter a username."),
     )
+
+    lat = forms.DecimalField(
+        required=False,
+        min_value=-90.0,
+        max_value=90.0,
+        max_digits=8,
+        decimal_palces=6,
+        widget=forms.HiddenInput()
+    )
+    lon = forms.DecimalField(
+        required=False,
+        min_value=-180.0,
+        max_value=180.0,
+        max_digits=9,
+        decimal_palces=6,
+        widget=forms.HiddenInput()
+    )