diff --git a/common/src/app/common/geom/shapes/intersect.cljc b/common/src/app/common/geom/shapes/intersect.cljc
index 60a62ce9c4..76fe700c7b 100644
--- a/common/src/app/common/geom/shapes/intersect.cljc
+++ b/common/src/app/common/geom/shapes/intersect.cljc
@@ -55,16 +55,16 @@
      (and (not= o1 o2) (not= o3 o4))
 
      ;; p1, q1 and p2 colinear and p2 lies on p1q1
-     (and (= o1 :coplanar) ^boolean (on-segment? p2 p1 q1))
+     (and (= o1 ::coplanar) ^boolean (on-segment? p2 p1 q1))
 
      ;; p1, q1 and q2 colinear and q2 lies on p1q1
-     (and (= o2 :coplanar) ^boolean (on-segment? q2 p1 q1))
+     (and (= o2 ::coplanar) ^boolean (on-segment? q2 p1 q1))
 
      ;; p2, q2 and p1 colinear and p1 lies on p2q2
-     (and (= o3 :coplanar) ^boolean (on-segment? p1 p2 q2))
+     (and (= o3 ::coplanar) ^boolean (on-segment? p1 p2 q2))
 
      ;; p2, q2 and p1 colinear and q1 lies on p2q2
-     (and (= o4 :coplanar) ^boolean (on-segment? q1 p2 q2)))))
+     (and (= o4 ::coplanar) ^boolean (on-segment? q1 p2 q2)))))
 
 (defn points->lines
   "Given a set of points for a polygon will return
diff --git a/common/test/common_tests/geom_shapes_intersect_test.cljc b/common/test/common_tests/geom_shapes_intersect_test.cljc
index e6c73b0474..1ae12ef2b7 100644
--- a/common/test/common_tests/geom_shapes_intersect_test.cljc
+++ b/common/test/common_tests/geom_shapes_intersect_test.cljc
@@ -52,12 +52,10 @@
                    [(pt 0 5) (pt 10 5)]))))
 
   (t/testing "Two collinear overlapping segments"
-    ;; NOTE: The implementation compares orientation result (namespaced keyword ::coplanar)
-    ;; against unnamespaced :coplanar, so the collinear branch never triggers.
-    ;; Collinear overlapping segments are NOT detected as intersecting.
-    (t/is (false? (gint/intersect-segments?
-                   [(pt 0 0) (pt 10 0)]
-                   [(pt 5 0) (pt 15 0)]))))
+    ;; Collinear overlapping segments correctly detected as intersecting.
+    (t/is (true? (gint/intersect-segments?
+                  [(pt 0 0) (pt 10 0)]
+                  [(pt 5 0) (pt 15 0)]))))
 
   (t/testing "Two non-overlapping collinear segments"
     (t/is (false? (gint/intersect-segments?