diff --git a/src/roam/qgisfunctions.py b/src/roam/qgisfunctions.py
index 754a7e6b4..9d023702a 100644
--- a/src/roam/qgisfunctions.py
+++ b/src/roam/qgisfunctions.py
@@ -76,7 +76,7 @@ def roam_geomvertex(values, feature, parent):
 
 
 @qgsfunction(0, 'Roam')
-def roamgeometry(values, feature, parent):
+def roamgeometry(values, feature, parent, *args):
     return capturegeometry