diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index cfaa7cbe6c..709e69493d 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -2187,12 +2187,11 @@ class CookerParser(object):
         self.num_processes = min(int(self.cfgdata.getVar("BB_NUMBER_PARSE_THREADS") or
                                  multiprocessing.cpu_count()), self.toparse)
 
+        bb.cache.SiggenRecipeInfo.reset()
         self.start()
         self.haveshutdown = False
         self.syncthread = None
 
-        bb.cache.SiggenRecipeInfo.reset()
-
     def start(self):
         self.results = self.load_cached()
         self.processes = []