diff --git a/lib/API.js b/lib/API.js
index a13fd7754..e8b5150ab 100644
--- a/lib/API.js
+++ b/lib/API.js
@@ -1506,8 +1506,8 @@ class API {
 
     function doList(err, list) {
       if (err) {
-        if (gl_retry == 0) {
-          gl_retry += 1;
+        if (that.gl_retry == 0) {
+          that.gl_retry += 1;
           return setTimeout(that.speedList.bind(that), 1400);
         }
         console.error('Error retrieving process list: %s.\nA process seems to be on infinite loop, retry in 5 seconds',err);