diff --git a/src/Docker.js b/src/Docker.js
index 08280f6fa2..b5dcdca44c 100644
--- a/src/Docker.js
+++ b/src/Docker.js
@@ -47,7 +47,7 @@ var Docker = {
       } catch (err) {
         tryCount += 1;
         yield Promise.delay(delay);
-        if (tryCount === tries) {
+        if (tryCount > tries) {
           throw new Error(err);
         }
         continue;