diff --git a/potrace.spec b/potrace.spec
index ddfd2a6..67501d8 100644
--- a/potrace.spec
+++ b/potrace.spec
@@ -1,5 +1,5 @@
 Name:          potrace
-Version:       1.11
+Version:       1.12
 Release:       1mamba
 Summary:       Transforms bitmaps into vector graphics
 Group:         Graphical Desktop/Applications/Graphics
@@ -7,7 +7,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Aleph0 <aleph0@openmamba.org>
 URL:           http://potrace.sourceforge.net/
-Source:        http://potrace.sourceforge.net/download/%{name}-%{version}.tar.gz
+Source:        http://potrace.sourceforge.net/download/%{version}/potrace-%{version}.tar.gz 
 Patch:         %{name}-1.8-xfig.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -48,6 +48,9 @@ The resulting image is not "jaggy" like a bitmap, but smooth, and it can be scal
 %doc AUTHORS COPYING ChangeLog NEWS README
 
 %changelog
+* Thu Apr 30 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 1.12-1mamba
+- update to 1.12
+
 * Wed Feb 20 2013 Automatic Build System <autodist@mambasoft.it> 1.11-1mamba
 - automatic version update by autodist