diff --git a/unit/CMakeLists.txt b/unit/CMakeLists.txt
index 83eb4d66..f5577d40 100644
--- a/unit/CMakeLists.txt
+++ b/unit/CMakeLists.txt
@@ -29,7 +29,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-array-bounds")
 endif()
 
-if(CMAKE_COMPILER_IS_CLANG)
+if(CMAKE_COMPILER_IS_CLANG AND ARCH_PPC64EL)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-pass-failed")
 endif()