diff --git a/cmake/archdetect.cmake b/cmake/archdetect.cmake
index 58258fe5..9529d682 100644
--- a/cmake/archdetect.cmake
+++ b/cmake/archdetect.cmake
@@ -69,7 +69,7 @@ else()
        set(GNUCC_ARCH armv7a)
        set(TUNE_FLAG generic)
     else()
-       set(GNUCC_ARCH generic)
-       set(TUNE_FLAG generic)
+       set(GNUCC_ARCH power9)
+       set(TUNE_FLAG power9)
     endif()
 endif()