diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 07688a2cdb..577c2503ac 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -128,6 +128,7 @@ class ProcessServer(Process, BaseImplServer):
                 retval = function(self, data, False)
                 if retval is False:
                     del self._idlefuns[function]
+                    nextsleep = None
                 elif retval is True:
                     nextsleep = None
                 elif nextsleep is None: