diff --git a/dashboard/src/components/ApplinkDialog.vue b/dashboard/src/components/ApplinkDialog.vue
index fcca994cb..b4eba61a2 100644
--- a/dashboard/src/components/ApplinkDialog.vue
+++ b/dashboard/src/components/ApplinkDialog.vue
@@ -172,7 +172,7 @@ defineExpose({
 
         <div>
           <label for="previewIcon">{{ $t('app.display.icon') }}</label>
-          <ImagePicker ref="imagePicker" mode="simple" :src="iconUrl" :fallback-src="`${API_ORIGIN}/img/appicon_fallback.png`" @changed="onIconChanged" size="512" display-height="80px" style="width: 80px"/>
+          <ImagePicker ref="imagePicker" mode="simple" :src="iconUrl" :fallback-src="`${API_ORIGIN}/img/appicon_fallback.png`" @changed="onIconChanged" :size="512" display-height="80px" style="width: 80px"/>
         </div>
 
         <FormGroup>
diff --git a/dashboard/src/components/Branding.vue b/dashboard/src/components/Branding.vue
index 8e805e758..d3ba27c04 100644
--- a/dashboard/src/components/Branding.vue
+++ b/dashboard/src/components/Branding.vue
@@ -77,7 +77,7 @@ onMounted(async () => {
     <div style="display: flex; justify-content: space-around; margin-bottom: 20px;">
     <div style="display: flex; flex-direction: column; align-content: stretch; align-items: center;">
       <label>{{ $t('branding.logo') }}</label>
-      <ImagePicker mode="editable" :src="avatarUrl" :save-handler="onAvatarSubmit" :size="512" display-height="128px" :disabled="!features.branding"/>
+      <ImagePicker mode="editable" :src="avatarUrl" :save-handler="onAvatarSubmit" :size="512" display-height="128px" :disabled="!features.branding" fallback-src="/api/v1/cloudron/avatar"/>
     </div>
 
     <div style="display: flex; flex-direction: column; align-content: stretch; align-items: center;">
diff --git a/dashboard/src/components/ImagePicker.vue b/dashboard/src/components/ImagePicker.vue
index ec0a66108..9b7ac4d1c 100644
--- a/dashboard/src/components/ImagePicker.vue
+++ b/dashboard/src/components/ImagePicker.vue
@@ -10,8 +10,8 @@ const props = defineProps({
   mode: { type: String, default: 'editable', required: true },
   src: { type: String, required: true },
   fallbackSrc: { type: String, required: true },
-  size: { type: String, required: true },
-  maxSize: { type: String, required: false },
+  size: { type: Number, required: false, default: 512 },
+  maxSize: { type: Number, required: false, default: 0 },
   displayHeight: { type: String, required: false },
   displayWidth: { type: String, required: false },
   disabled: { type: Boolean, required: false },
@@ -109,22 +109,19 @@ function onChanged(event) {
   fr.onload = function () {
     const image = new Image();
     image.onload = function () {
-      const size = props.size ? parseInt(props.size) : 512;
-      const maxSize = props.maxSize ? parseInt(props.maxSize) : 0;
-
       const canvas = document.createElement('canvas');
 
-      if (maxSize) {
-        if (image.naturalWidth > maxSize) {
-          canvas.width = maxSize;
-          canvas.height = (image.naturalHeight / image.naturalWidth) * maxSize;
+      if (props.maxSize) {
+        if (image.naturalWidth > props.maxSize) {
+          canvas.width = props.maxSize;
+          canvas.height = (image.naturalHeight / image.naturalWidth) * props.maxSize;
         } else {
           canvas.width = image.naturalWidth;
           canvas.height = image.naturalHeight;
         }
       } else {
-        canvas.width = size;
-        canvas.height = size;
+        canvas.width = props.size;
+        canvas.height = props.size;
       }
 
       const imageDimensionRatio = image.width / image.height;
diff --git a/dashboard/src/components/app/Display.vue b/dashboard/src/components/app/Display.vue
index d6aa5c112..bd240c68a 100644
--- a/dashboard/src/components/app/Display.vue
+++ b/dashboard/src/components/app/Display.vue
@@ -89,7 +89,7 @@ onMounted(() => {
   <div>
     <div style="display: inline-block;">
       <label>{{ $t('app.display.icon') }}</label>
-      <ImagePicker ref="imagePicker" mode="simple" :src="iconUrl" fallback-src="/img/appicon_fallback.png" @changed="onIconChanged" size="512" display-height="96px"/>
+      <ImagePicker ref="imagePicker" mode="simple" :src="iconUrl" fallback-src="/img/appicon_fallback.png" @changed="onIconChanged" :size="512" display-height="96px"/>
     </div>
 
     <form @submit.prevent="onSubmit()" autocomplete="off">