diff --git a/docs/components/LImageOverlay.md b/docs/components/LImageOverlay.md
index e4cdc8c8..cf1861aa 100644
--- a/docs/components/LImageOverlay.md
+++ b/docs/components/LImageOverlay.md
@@ -59,7 +59,6 @@ export default {
 | visible             |                                                      | boolean | -      | true          |
 | interactive         |                                                      | boolean | -      | false         |
 | bubblingMouseEvents |                                                      | boolean | -      | true          |
-| url                 |                                                      | string  | -      |               |
 | bounds              |                                                      |         | -      |               |
 | opacity             |                                                      | number  | -      | 1.0           |
 | alt                 |                                                      | string  | -      | ''            |
@@ -68,6 +67,7 @@ export default {
 | zIndex              |                                                      | number  | -      | 1             |
 | className           |                                                      | string  | -      | ''            |
 | options             | Leaflet options to pass to the component constructor | object  | -      | {}            |
+| url                 |                                                      | string  | -      | null          |
 
 ## Events
 
diff --git a/src/components/LImageOverlay.vue b/src/components/LImageOverlay.vue
index c9789884..842352da 100644
--- a/src/components/LImageOverlay.vue
+++ b/src/components/LImageOverlay.vue
@@ -10,6 +10,13 @@ import { imageOverlay, DomEvent } from 'leaflet';
 export default {
   name: 'LImageOverlay',
   mixins: [ImageOverlayMixin, Options],
+  props: {
+    url: {
+      type: String,
+      custom: true,
+      default: null
+    }
+  },
   mounted() {
     const options = optionsMerger(this.imageOverlayOptions, this);
     this.mapObject = imageOverlay(this.url, this.bounds, options);
diff --git a/src/mixins/ImageOverlay.js b/src/mixins/ImageOverlay.js
index e78c3162..797a8a57 100644
--- a/src/mixins/ImageOverlay.js
+++ b/src/mixins/ImageOverlay.js
@@ -4,10 +4,6 @@ import InteractiveLayer from './InteractiveLayer';
 export default {
   mixins: [Layer, InteractiveLayer],
   props: {
-    url: {
-      type: String,
-      custom: true
-    },
     bounds: {
       custom: true
     },
diff --git a/types/index.d.ts b/types/index.d.ts
index 110d9280..ce5efc56 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -71,10 +71,6 @@ declare module "vue2-leaflet" {
   }
   class ImageOverlay extends Mixins(Layer, InteractiveLayer) {
     // props
-    url: string;
-    /**
-     * @default true
-     */
     bounds: boolean;
     /**
      * @default 1.0
@@ -489,6 +485,13 @@ declare module "vue2-leaflet" {
     setImagePath(newVal: string, oldVal?: string): void;
   }
   class LImageOverlay extends Mixins(ImageOverlay) {
+    // props
+    /**
+     * @default null
+     */
+    url: string | null;
+
+    // data
     mapObject: L.ImageOverlay;
     parentContainer: any;
   }