diff --git a/bundles/pubsub/pubsub_utils/gtest/src/PubSubSerializationProviderTestSuite.cc b/bundles/pubsub/pubsub_utils/gtest/src/PubSubSerializationProviderTestSuite.cc
index 2522bbf25..db3975919 100644
--- a/bundles/pubsub/pubsub_utils/gtest/src/PubSubSerializationProviderTestSuite.cc
+++ b/bundles/pubsub/pubsub_utils/gtest/src/PubSubSerializationProviderTestSuite.cc
@@ -65,7 +65,7 @@ TEST_F(PubSubSerializationProviderTestSuite, FindSerializationServices) {
     size_t nrEntries = pubsub_serializationProvider_nrOfEntries(provider);
     EXPECT_EQ(5, nrEntries);
     size_t nrOfInvalidEntries = pubsub_serializationProvider_nrOfInvalidEntries(provider);
-    EXPECT_EQ(3, nrOfInvalidEntries); //note 4 invalid, because garbage.descriptor is never added (cannot extract msgFqn)
+    EXPECT_EQ(3, nrOfInvalidEntries); //note 3 invalid, because garbage.descriptor is never added (cannot extract msgFqn)
 
     auto* services = celix_bundleContext_findServices(ctx.get(), PUBSUB_MESSAGE_SERIALIZATION_SERVICE_NAME);
     EXPECT_EQ(5, celix_arrayList_size(services)); //3 valid, 5 invalid
diff --git a/bundles/pubsub/pubsub_utils/src/pubsub_serialization_provider.c b/bundles/pubsub/pubsub_utils/src/pubsub_serialization_provider.c
index a0559e468..02902becf 100644
--- a/bundles/pubsub/pubsub_utils/src/pubsub_serialization_provider.c
+++ b/bundles/pubsub/pubsub_utils/src/pubsub_serialization_provider.c
@@ -258,6 +258,21 @@ static dyn_message_type* pubsub_serializationProvider_parseDfiDescriptor(pubsub_
 //}
 //}
 
+/**
+ * Check if a pubsub serialization entry is already present (exact path)
+ *
+ * @return true if the entry is a already present
+ */
+static bool pubsub_serializationProvider_alreadyAddedEntry(pubsub_serialization_provider_t* provider, pubsub_serialization_entry_t* entry) {
+    for (int i = 0; i < celix_arrayList_size(provider->serializationSvcEntries); ++i) {
+        pubsub_serialization_entry_t *visit = celix_arrayList_get(provider->serializationSvcEntries, i);
+        if (celix_utils_stringEquals(visit->readFromEntryPath, entry->readFromEntryPath)) {
+            return true;
+        }
+    }
+    return false;
+}
+
 /**
  * Validates an pubsub serialization entry and check if this is a new unique entry.
  *
@@ -407,6 +422,15 @@ static void pubsub_serializationProvider_parseDescriptors(pubsub_serialization_p
         serEntry->svc.freeDeserializedMsg = (void*)provider->freeDeserializeMsg;
         serEntry->svcId = -1L;
 
+        if (pubsub_serializationProvider_alreadyAddedEntry(provider, serEntry)) {
+            L_WARN("Skipping entry %s. Exact entry already present!. Double event triggered?", serEntry->readFromEntryPath);
+            free(serEntry->descriptorContent);
+            free(serEntry->readFromEntryPath);
+            free(serEntry->msgVersionStr);
+            dynMessage_destroy(serEntry->msgType);
+            free(serEntry);
+            continue;
+        }
 
         bool unique = pubsub_serializationProvider_validateEntry(provider, serEntry);
         if (unique && serEntry->valid) { //note only register if unique and valid