diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fa12c6..b671e9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,9 +157,7 @@ elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
   set(ARCH "x86_64")
 elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
   set(ARCH "x86_64")
-elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64")
-  set(ARCH "ppc64")
-elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64le")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(ppc64.*|PPC64.*|powerpc64.*)")
   set(ARCH "ppc64")
 elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "unknown")
   set(ARCH "unknown")