diff --git a/.gitignore b/.gitignore
index 15d0a2a..a3b3d79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ List-Compare-0.37.tar.gz
 /List-Compare-0.48.tar.gz
 /List-Compare-0.49.tar.gz
 /List-Compare-0.50.tar.gz
+/List-Compare-0.51.tar.gz
diff --git a/perl-List-Compare.spec b/perl-List-Compare.spec
index ae064f1..0c3c0b3 100644
--- a/perl-List-Compare.spec
+++ b/perl-List-Compare.spec
@@ -1,5 +1,5 @@
 Name:           perl-List-Compare
-Version:        0.50
+Version:        0.51
 Release:        1%{?dist}
 Summary:        Compare elements of two or more lists
 Group:          Development/Libraries
@@ -46,6 +46,9 @@ make test
 %{_mandir}/man3/*.3*
 
 %changelog
+* Fri May 15 2015 Petr Šabata <contyk@redhat.com> - 0.51-1
+- 0.51 bump, reverting some of the 0.50 changes
+
 * Mon May 11 2015 Petr Šabata <contyk@redhat.com> - 0.50-1
 - 0.50 bump, performance improvements
 
diff --git a/sources b/sources
index f2f932b..22a91c2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-af129d47e2782b85c7ffb9256b5c4158  List-Compare-0.50.tar.gz
+7dd3d6c411d47126ea2d99ba1a09f262  List-Compare-0.51.tar.gz