diff --git a/app/src/main/java/de/westnordost/streetcomplete/quests/crossing_kerb_height/AddCrossingKerbHeight.kt b/app/src/main/java/de/westnordost/streetcomplete/quests/crossing_kerb_height/AddCrossingKerbHeight.kt
index dc088b27c1..dfc090f242 100644
--- a/app/src/main/java/de/westnordost/streetcomplete/quests/crossing_kerb_height/AddCrossingKerbHeight.kt
+++ b/app/src/main/java/de/westnordost/streetcomplete/quests/crossing_kerb_height/AddCrossingKerbHeight.kt
@@ -21,7 +21,7 @@ class AddCrossingKerbHeight : OsmElementQuestType<KerbHeight> {
           highway = crossing
           and foot != no
           and crossing
-          and !kerb:left and !kerb:right
+          and (!kerb:left or !kerb:right)
           and (
             !kerb
             or kerb ~ yes|unknown