diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88a1d28..456be16 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -185,6 +185,9 @@ if (IS64BIT)
   if((${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64") OR (${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "AMD64"))
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -msse2")
   endif()
+  if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "ppc64le")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=power9")
+  endif()
 else()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
 endif()