diff -Nru kadu-1.3/debian/changelog kadu-1.3/debian/changelog
--- kadu-1.3/debian/changelog	2014-12-28 15:01:05.000000000 +0000
+++ kadu-1.3/debian/changelog	2015-07-08 18:32:40.000000000 +0000
@@ -1,3 +1,9 @@
+kadu (1.3-2) unstable; urgency=medium
+
+  * Fixed build error with new CMake (Closes: #789840)
+
+ -- Patryk Cisek <patryk@debian.org>  Wed, 08 Jul 2015 20:31:58 +0200
+
 kadu (1.3-1) unstable; urgency=medium
 
   * New upstream release
diff -Nru kadu-1.3/debian/patches/03-cmake-fix.patch kadu-1.3/debian/patches/03-cmake-fix.patch
--- kadu-1.3/debian/patches/03-cmake-fix.patch	1970-01-01 00:00:00.000000000 +0000
+++ kadu-1.3/debian/patches/03-cmake-fix.patch	2015-07-08 18:32:40.000000000 +0000
@@ -0,0 +1,41 @@
+From bb925f636a8a3f662ef2a5f2826a7e0138dba266 Mon Sep 17 00:00:00 2001
+From: Raphael Kubo da Costa <rakuco@FreeBSD.org>
+Date: Wed, 31 Dec 2014 01:15:28 +0200
+Subject: [PATCH] Rename INSTALL_PREFIX to KADU_INSTALL_PREFIX.
+
+---
+ CMakeLists.txt            | 4 ++--
+ cmake/KaduConfig.cmake.in | 2 +-
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index ef624a9..3f23c71 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -195,8 +195,8 @@ foreach (install_var ${install_vars})
+ 	endif ()
+ endforeach ()
+ 
+-set (INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+-set (path_vars INSTALL_PREFIX)
++set (KADU_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
++set (path_vars KADU_INSTALL_PREFIX)
+ if (UNIX AND NOT APPLE)
+ 	list (APPEND path_vars DESKTOP_FILE_DIR)
+ endif ()
+diff --git a/cmake/KaduConfig.cmake.in b/cmake/KaduConfig.cmake.in
+index 2e22aa4..6a3c683 100644
+--- a/cmake/KaduConfig.cmake.in
++++ b/cmake/KaduConfig.cmake.in
+@@ -20,7 +20,7 @@ endif ()
+ set (KADU_INCLUDE_DIR "@PACKAGE_INCLUDE_DIR@")
+ set (KADU_INCLUDE_DIRS "@PACKAGE_INCLUDE_DIR@" "@PACKAGE_INCLUDE_DIR@/kadu-core")
+ set (KADU_SDK_DIR "@PACKAGE_SDK_DIR@")
+-set (KADU_INSTALL_PREFIX "@PACKAGE_INSTALL_PREFIX@")
++set (KADU_INSTALL_PREFIX "@PACKAGE_KADU_INSTALL_PREFIX@")
+ 
+ set (KADU_INSTALL_SDK "@INSTALL_SDK@")
+ 
+--
+libgit2 0.22.2
+
diff -Nru kadu-1.3/debian/patches/series kadu-1.3/debian/patches/series
--- kadu-1.3/debian/patches/series	2014-12-28 15:01:05.000000000 +0000
+++ kadu-1.3/debian/patches/series	2015-07-08 18:32:40.000000000 +0000
@@ -1,2 +1,3 @@
 01-external-themes.patch
 02-about-dialog.patch
+03-cmake-fix.patch