diff --git a/src/sage/combinat/k_regular_sequence.py b/src/sage/combinat/k_regular_sequence.py
index d8af3e202c7..e5e1421168e 100644
--- a/src/sage/combinat/k_regular_sequence.py
+++ b/src/sage/combinat/k_regular_sequence.py
@@ -93,9 +93,10 @@
 # (at your option) any later version.
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
+from __future__ import absolute_import
 
-from sage.combinat.recognizable_series import RecognizableSeries
-from sage.combinat.recognizable_series import RecognizableSeriesSpace
+from .recognizable_series import RecognizableSeries
+from .recognizable_series import RecognizableSeriesSpace
 from sage.misc.cachefunc import cached_method