diff --git a/Logic/FeatureSource/FeatureSourceMerger.ts b/Logic/FeatureSource/FeatureSourceMerger.ts
index 9ceef44298..e9901d1f5b 100644
--- a/Logic/FeatureSource/FeatureSourceMerger.ts
+++ b/Logic/FeatureSource/FeatureSourceMerger.ts
@@ -27,7 +27,7 @@ export default class FeatureSourceMerger implements FeatureSource {
         // We seed the dictionary with the previously loaded features
         const oldValues = this.features.data ?? [];
         for (const oldValue of oldValues) {
-            all.set(oldValue.feature.id, oldValue)
+            all.set(oldValue.feature.id + oldValue.feature._matching_layer_id, oldValue)
         }
 
         for (const source of this._sources) {
@@ -35,7 +35,7 @@ export default class FeatureSourceMerger implements FeatureSource {
                 continue;
             }
             for (const f of source.features.data) {
-                const id = f.feature.properties.id;
+                const id = f.feature.properties.id + f.feature._matching_layer_id;
                 if (!all.has(id)) {
                     // This is a new feature
                     somethingChanged = true;
diff --git a/Logic/FeatureSource/RememberingSource.ts b/Logic/FeatureSource/RememberingSource.ts
index b77e613ace..c840aecba5 100644
--- a/Logic/FeatureSource/RememberingSource.ts
+++ b/Logic/FeatureSource/RememberingSource.ts
@@ -20,9 +20,9 @@ export default class RememberingSource implements FeatureSource {
             }
            
             // Then new ids
-            const ids = new Set<string>(features.map(f => f.feature.properties.id + f.feature.geometry.type));
+            const ids = new Set<string>(features.map(f => f.feature.properties.id + f.feature.geometry.type + f.feature._matching_layer_id));
             // the old data
-            const oldData = oldFeatures.filter(old => !ids.has(old.feature.properties.id + old.feature.geometry.type))
+            const oldData = oldFeatures.filter(old => !ids.has(old.feature.properties.id + old.feature.geometry.type + old.feature._matching_layer_id))
             return [...features, ...oldData];
         })
     }
diff --git a/Models/Constants.ts b/Models/Constants.ts
index 61bb8d3fc7..a350603c75 100644
--- a/Models/Constants.ts
+++ b/Models/Constants.ts
@@ -2,7 +2,7 @@ import { Utils } from "../Utils";
 
 export default class Constants {
     
-    public static vNumber = "0.7.5a";
+    public static vNumber = "0.7.5b";
 
     // The user journey states thresholds when a new feature gets unlocked
     public static userJourney = {