diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 613956f30f..f2c5c15839 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -757,8 +757,11 @@ class ConnectionWriter(object):
                 process.queue_signals = True
                 self._send(obj)
                 process.queue_signals = False
-                for sig in process.signal_received.pop():
-                    process.handle_sig(sig, None)
+                try:
+                    for sig in process.signal_received.pop():
+                        process.handle_sig(sig, None)
+                except IndexError:
+                    pass
         else:
             self._send(obj)