diff --git a/src/plugins/presentation_util/public/components/expression_input/autocomplete.ts b/src/plugins/presentation_util/public/components/expression_input/autocomplete.ts
index be592b430f0e5..2f656e5df8466 100644
--- a/src/plugins/presentation_util/public/components/expression_input/autocomplete.ts
+++ b/src/plugins/presentation_util/public/components/expression_input/autocomplete.ts
@@ -438,7 +438,7 @@ function maybeQuote(value: any) {
     if (value.match(/^\{.*\}$/)) {
       return value;
     }
-    return `"${value.replace(/"/g, '\\"')}"`;
+    return `"${value.replace(/[\\"]/g, '\\$&')}"`;
   }
   return value;
 }