diff --git a/chrome/content/zotero/xpcom/recognizePDF.js b/chrome/content/zotero/xpcom/recognizePDF.js
index 0fb2ee9611..3e072751b6 100644
--- a/chrome/content/zotero/xpcom/recognizePDF.js
+++ b/chrome/content/zotero/xpcom/recognizePDF.js
@@ -329,7 +329,9 @@ Zotero.RecognizePDF = new function () {
 	}
 	
 	async function _query(json) {
-		let uri = Zotero.Prefs.get("api.url") || ZOTERO_CONFIG.API_URL;
+		// TODO: Use main API URL for recognizer server
+		//let uri = Zotero.Prefs.get("api.url") || ZOTERO_CONFIG.API_URL;
+		let uri = Zotero.Prefs.get("api.url") || ZOTERO_CONFIG.RECOGNIZE_URL;
 		
 		if (!uri.endsWith('/')) {
 			uri += '/';
diff --git a/resource/config.js b/resource/config.js
index 25efdcd4d4..3a52a6f933 100644
--- a/resource/config.js
+++ b/resource/config.js
@@ -11,6 +11,7 @@ var ZOTERO_CONFIG = {
 	PROXY_AUTH_URL: 'https://s3.amazonaws.com/zotero.org/proxy-auth',
 	API_URL: 'https://api.zotero.org/',
 	STREAMING_URL: 'wss://stream.zotero.org/',
+	RECOGNIZE_URL: 'https://recognize.zotero.org/',
 	API_VERSION: 3,
 	PREF_BRANCH: 'extensions.zotero.',
 	BOOKMARKLET_ORIGIN: 'https://www.zotero.org',