diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index e524db7498..825c357988 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -672,7 +672,7 @@ class BBCooker:
                 return False
             if retval is True:
                 return True
-            return 0.5
+            return retval
 
         self.server.register_idle_function(buildFileIdle, rq)
 
@@ -709,7 +709,7 @@ class BBCooker:
                 return False
             if retval is True:
                 return True
-            return 0.5
+            return retval
 
         self.buildSetVars()