diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index b66fbe0acd..45f2e86319 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -152,7 +152,8 @@ class ProcessServer(multiprocessing.Process):
                 conn = newconnections.pop(-1)
                 fds.append(conn)
                 self.controllersock = conn
-            elif self.timeout is None and not ready:
+
+            elif not self.timeout and not ready:
                 print("No timeout, exiting.")
                 self.quit = True