diff --git a/Modules/Example Replication/jvm/src/test/scala/deltaAntiEntropy/tests/ORMapTest.scala b/Modules/Example Replication/jvm/src/test/scala/deltaAntiEntropy/tests/ORMapTest.scala
index 47f375c75..5dabe4f6f 100644
--- a/Modules/Example Replication/jvm/src/test/scala/deltaAntiEntropy/tests/ORMapTest.scala	
+++ b/Modules/Example Replication/jvm/src/test/scala/deltaAntiEntropy/tests/ORMapTest.scala	
@@ -3,7 +3,9 @@ package deltaAntiEntropy.tests
 import com.github.plokhotnyuk.jsoniter_scala.core.JsonValueCodec
 import com.github.plokhotnyuk.jsoniter_scala.macros.JsonCodecMaker
 import deltaAntiEntropy.tools.{AntiEntropy, AntiEntropyContainer, Network}
+import kofre.base.Bottom
 import kofre.datatypes.contextual.{AddWinsSet, ObserveRemoveMap}
+import kofre.dotted.Dotted
 import replication.JsoniterCodecs.*
 import org.scalacheck.Prop.*
 
@@ -12,6 +14,18 @@ import scala.collection.mutable
 class ORMapTest extends munit.ScalaCheckSuite {
   implicit val intCodec: JsonValueCodec[Int] = JsonCodecMaker.make
 
+  property("contains") {
+    given kofre.syntax.ReplicaId = kofre.syntax.ReplicaId.predefined("test")
+    given Bottom[Int] with
+      def empty = Int.MinValue
+    forAll{ (entries: List[Int]) =>
+      val orMap = entries.foldLeft(Dotted(ObserveRemoveMap.empty[Int, Int])) {(curr, elem) => curr.update(elem, elem)}
+      orMap.entries.foreach{(k, v) =>
+        assert(orMap.contains(k))
+      }
+    }
+  }
+
   property("mutateKey/queryKey") {
     forAll { (add: List[Int], remove: List[Int], k: Int) =>
 
diff --git a/Modules/RDTs/src/main/scala/kofre/datatypes/contextual/ObserveRemoveMap.scala b/Modules/RDTs/src/main/scala/kofre/datatypes/contextual/ObserveRemoveMap.scala
index 21fec707d..f6553e8be 100644
--- a/Modules/RDTs/src/main/scala/kofre/datatypes/contextual/ObserveRemoveMap.scala
+++ b/Modules/RDTs/src/main/scala/kofre/datatypes/contextual/ObserveRemoveMap.scala
@@ -36,7 +36,7 @@ object ObserveRemoveMap {
   implicit class syntax[C, K, V](container: C)
       extends OpsSyntaxHelper[C, ObserveRemoveMap[K, V]](container) {
 
-    def contains(using PermQuery)(k: K): Boolean = current.contains(k)
+    def contains(using PermQuery)(k: K): Boolean = current.inner.repr.contains(k)
 
     def queryKey[A](using PermQuery, Bottom[V])(k: K): V = {
       current.inner.repr.getOrElse(k, Bottom[V].empty)