diff --git a/product/Formulator/Field.py b/product/Formulator/Field.py
index f9dc8fa77d7c8f48f5cc4850fe84e891f639d917..8a7fc8ea3c0241fee0157a38585ec1427eae69e0 100644
--- a/product/Formulator/Field.py
+++ b/product/Formulator/Field.py
@@ -452,7 +452,7 @@ class Field:
         elif obj_type is unicode:
           return obj.encode('utf-8')
         return str(obj)
-      return ''.join(map(getSearchSource,
+      return ' '.join(map(getSearchSource,
                          (self.values.values()+self.tales.values()+
                           self.overrides.values())))