diff --git a/x-pack/plugins/graph/public/helpers/kql_encoder.ts b/x-pack/plugins/graph/public/helpers/kql_encoder.ts
index 55ac25debe047..131dc9db0bd30 100644
--- a/x-pack/plugins/graph/public/helpers/kql_encoder.ts
+++ b/x-pack/plugins/graph/public/helpers/kql_encoder.ts
@@ -10,7 +10,7 @@ import rison from 'rison-node';
 import { Workspace } from '../types';
 
 function escapeQuotes(str: string) {
-  return str.replace(/"/g, '\\"');
+  return str.replace(/\\/g, '\\\\').replace(/"/g, '\\"');
 }
 
 export function asKQL(workspace: Workspace, joinBy: 'and' | 'or') {