diff --git a/sigproc/blfilter.m b/sigproc/blfilter.m
index 7c2cf6af..5c6003c6 100644
--- a/sigproc/blfilter.m
+++ b/sigproc/blfilter.m
@@ -93,6 +93,7 @@
 definput.flags.pedantic = {'nopedantic','pedantic'};
 definput.flags.real={'complex','real'};
 
+
 [flags,kv]=ltfatarghelper({'fc'},definput,varargin,'blfilter');
 
 if flags.do_pedantic