diff --git a/addons/web_editor/static/src/js/backend/convert_inline.js b/addons/web_editor/static/src/js/backend/convert_inline.js
index 670d72083ea..f501e7fc0c7 100644
--- a/addons/web_editor/static/src/js/backend/convert_inline.js
+++ b/addons/web_editor/static/src/js/backend/convert_inline.js
@@ -756,6 +756,14 @@ async function toInline($editable, cssRules, $iframe) {
     // Hide replaced cells on Outlook
     editable.querySelectorAll('.mso-hide').forEach(_hideForOutlook);
 
+    // Replace double quotes in font-family styles with simple quotes (and
+    // simply remove these styles from images).
+    editable.querySelectorAll('[style*=font-family]').forEach(n => (
+        n.nodeName === 'IMG'
+            ? n.style.removeProperty('font-family')
+            : n.setAttribute('style', n.getAttribute('style').replaceAll('"', '\''))
+    ));
+
     // Styles were applied inline, we don't need a style element anymore.
     $editable.find('style').remove();