diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index 448f899..b166425 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -1661,6 +1661,8 @@ class CookerParser(object):
         parsed = None
         try:
             parsed, result = self.results.next()
+            if isinstance(result, BaseException):
+                raise result
         except StopIteration:
             self.shutdown()
             return False