diff --git a/Models/Constants.ts b/Models/Constants.ts
index 4015d66d8..a45d19e9e 100644
--- a/Models/Constants.ts
+++ b/Models/Constants.ts
@@ -2,7 +2,7 @@ import {Utils} from "../Utils";
 
 export default class Constants {
 
-    public static vNumber = "0.10.2";
+    public static vNumber = "0.10.3";
     public static ImgurApiKey = '7070e7167f0a25a'
     public static readonly mapillary_client_token_v3 = 'TXhLaWthQ1d4RUg0czVxaTVoRjFJZzowNDczNjUzNmIyNTQyYzI2'
     public static readonly mapillary_client_token_v4 = "MLY|4441509239301885|b40ad2d3ea105435bd40c7e76993ae85"
diff --git a/Models/ThemeConfig/LayoutConfig.ts b/Models/ThemeConfig/LayoutConfig.ts
index 8b10f6c54..51cf19d75 100644
--- a/Models/ThemeConfig/LayoutConfig.ts
+++ b/Models/ThemeConfig/LayoutConfig.ts
@@ -88,7 +88,16 @@ export default class LayoutConfig {
         this.startLat = json.startLat;
         this.startLon = json.startLon;
         if(json.widenFactor < 1){
-            throw "Widenfactor too small"
+            if(official){
+                throw "Widenfactor too small"
+            }else{
+                // Unofficial themes get away with this
+                console.warn("Detected a very small widenfactor, bumping this above 1.")
+                json.widenFactor = json.widenFactor + 1
+            }
+        }
+        if(json.widenFactor > 20){
+            throw "Widenfactor is very big, use a value between 1 and 5 (current value is "+json.widenFactor+") at "+context
         }
         this.widenFactor = json.widenFactor ?? 1.5;
         this.roamingRenderings = (json.roamingRenderings ?? []).map((tr, i) => {