diff --git a/addons/web_editor/static/src/js/editor/snippets.options.js b/addons/web_editor/static/src/js/editor/snippets.options.js
index e7468e21050..9da8466cdf7 100644
--- a/addons/web_editor/static/src/js/editor/snippets.options.js
+++ b/addons/web_editor/static/src/js/editor/snippets.options.js
@@ -5431,6 +5431,11 @@ const ImageHandlerOption = SnippetOptionWidget.extend({
         weightEl.classList.add('o_we_image_weight', 'o_we_tag', 'd-none');
         weightEl.title = _t("Size");
         this.$weight = $(weightEl);
+        // Perform the loading of the image info synchronously in order to
+        // avoid an intermediate rendering of the Blocks tab during the
+        // loadImageInfo RPC that obtains the file size.
+        // This does not update the target.
+        await this._applyOptions(false);
     },
 
     //--------------------------------------------------------------------------