diff --git a/clFFT-fix-aarm64.patch b/clFFT-fix-aarm64.patch
new file mode 100644
index 0000000..c55f4b8
--- /dev/null
+++ b/clFFT-fix-aarm64.patch
@@ -0,0 +1,19 @@
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index ee2600b..db053a2 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -219,14 +219,6 @@ elseif( CMAKE_COMPILER_IS_GNUCXX )
+ 		add_definitions( "/D_DEBUG" )
+ 	endif( )
+ 
+-	if( BUILD64 )
+-		set( CMAKE_CXX_FLAGS "-m64 ${CMAKE_CXX_FLAGS}" )
+-		set( CMAKE_C_FLAGS "-m64 ${CMAKE_C_FLAGS}" )
+-	else( )
+-		set( CMAKE_CXX_FLAGS "-m32 ${CMAKE_CXX_FLAGS}" )
+-		set( CMAKE_C_FLAGS "-m32 ${CMAKE_C_FLAGS}" )
+-	endif( )
+-
+ 	if( CODE_COVERAGE )
+ 		set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage" )
+ 		set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage" )
diff --git a/clFFT.changes b/clFFT.changes
index 03c3edf..ef65de8 100644
--- a/clFFT.changes
+++ b/clFFT.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Oct 22 17:47:07 UTC 2017 - mardnh@gmx.de
+
+- Add patch:
+  * clFFT-fix-aarm64.patch (Fix build for aarch64)
+
 -------------------------------------------------------------------
 Wed Oct 11 14:53:51 UTC 2017 - mpluskal@suse.com
 
diff --git a/clFFT.spec b/clFFT.spec
index 7d2e511..abb0f12 100644
--- a/clFFT.spec
+++ b/clFFT.spec
@@ -31,6 +31,7 @@ Url:            https://github.com/clMathLibraries/clFFT
 Source:         https://github.com/clMathLibraries/clFFT/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Source1:        clFFT-client.1
 Patch0:         fix-client-no-symlink.patch
+Patch1:         clFFT-fix-aarm64.patch
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
 BuildRequires:  opencl-headers
@@ -108,6 +109,9 @@ This subpackage provides shared libStatTimer library
 %prep
 %setup -q
 %patch0 -p1
+%ifarch aarch64
+%patch1 -p1
+%endif
 
 %build
 cd src