diff --git a/src/components/MenuCommands/ImageCommandButton.vue b/src/components/MenuCommands/ImageCommandButton.vue
index 99d19e73..be59aa2a 100644
--- a/src/components/MenuCommands/ImageCommandButton.vue
+++ b/src/components/MenuCommands/ImageCommandButton.vue
@@ -31,6 +31,7 @@
     <el-dialog
       :title="t('editor.extensions.Image.control.upload_image.title')"
       :visible.sync="imageUploadDialogVisible"
+      :append-to-body="true"
     >
       <el-upload
         :http-request="uploadImage"
diff --git a/src/components/MenuCommands/PreviewCommandButton.vue b/src/components/MenuCommands/PreviewCommandButton.vue
index 181fc73a..0393ba0f 100644
--- a/src/components/MenuCommands/PreviewCommandButton.vue
+++ b/src/components/MenuCommands/PreviewCommandButton.vue
@@ -10,6 +10,7 @@
       :title="t('editor.extensions.Preview.dialog.title')"
       :visible.sync="previewDialogVisible"
       :width="contentWidth"
+      :append-to-body="true"
     >
       <div class="el-tiptap-editor__content">
         <div v-html="html"></div>