diff --git a/cadabra2-2.1.7.patch b/cadabra2-2.1.7.patch
new file mode 100644
index 0000000..ca5220d
--- /dev/null
+++ b/cadabra2-2.1.7.patch
@@ -0,0 +1,12 @@
+diff -ruN -x '*~' -x '*.o' -x '*.a' -x '*.so' -x '*.so.[0-9]' -x autom4te.cache -x .deps -x .libs ../orig-cadabra2-2.1.7/CMakeLists.txt ./CMakeLists.txt
+--- ../orig-cadabra2-2.1.7/CMakeLists.txt	2017-11-19 20:27:27.000000000 +0100
++++ ./CMakeLists.txt	2017-12-29 09:34:50.496366051 +0100
+@@ -202,7 +202,7 @@
+ include(CPack)
+ 
+ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+-   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2")
++   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2 -pthread")
+ endif()
+ 
+ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
diff --git a/cadabra2.changes b/cadabra2.changes
index 1a355a7..e81f0b6 100644
--- a/cadabra2.changes
+++ b/cadabra2.changes
@@ -1,7 +1,13 @@
+-------------------------------------------------------------------
+Fri Dec 29 08:33:37 UTC 2017 - kkaempf@suse.com
+
+- fix build, add -pthread to CMAKE_CXX_FLAGS
+  added cadabra2-2.1.7.patch
+
 -------------------------------------------------------------------
 Wed Nov 22 09:19:49 UTC 2017 - badshah400@gmail.com
 
-- Update to version 2.1.6:
+- Update to version 2.1.7:
   * Another interim release to fix bugs and sort out the build
     process on new distros.
 
diff --git a/cadabra2.spec b/cadabra2.spec
index 4367a64..050100d 100644
--- a/cadabra2.spec
+++ b/cadabra2.spec
@@ -26,6 +26,8 @@ Url:            http://cadabra.science/
 Source0:        https://github.com/kpeeters/cadabra2/archive/%{version}.tar.gz
 Source1:        %{name}-rpmlintrc
 Source2:        %{name}-gtk.appdata.xml
+# PATCH-FIX-OPENSUSE add -pthread to CMAKE_CXX_FLAGS (as adivised in https://github.com/potree/PotreeConverter/issues/136) kkaempf@suse.de
+Patch1:         cadabra2-2.1.7.patch
 BuildRequires:  appstream-glib
 BuildRequires:  cmake
 BuildRequires:  doxygen
@@ -161,6 +163,7 @@ This package provides documentation in the form of a PDF file for %{name}.
 
 %prep
 %setup -q
+%patch1 -p1
 
 %build
 mkdir build && pushd build