set smaller valid step for polygon simplification form value (#106)

[nominatim-ui.git] / src / lib / helpers.js

diff --git a/src/lib/helpers.js b/src/lib/helpers.js
index cbbdbc98ed81822d718d26523855ba0d1a6a9de1..a2e5d82c78d2bebc1427e167065e07a90edcc6d8 100644 (file)
--- a/src/lib/helpers.js
+++ b/src/lib/helpers.js
@@ -100,7 +100,7 @@ function formatPlaceType(aPlace) {
 
 // Any over 15 are invalid data in OSM anyway
 function formatAdminLevel(iLevel) {
-  return (iLevel < 15 ? iLevel : '');
+  return (iLevel && iLevel < 15 ? iLevel : '');
 }
 
 function formatDistance(fDistance, bInMeters) {