diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02bd10a..cd27c78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,15 +9,15 @@ include("GNUInstallDirs")
 
 if(NOT FUNCHOOK_CPU) 
   set(FUNCHOOK_CPU ${CMAKE_SYSTEM_PROCESSOR})
-  if (FUNCHOOK_CPU STREQUAL x86_64 OR FUNCHOOK_CPU MATCHES "i.86" OR FUNCHOOK_CPU STREQUAL AMD64)
+  if (FUNCHOOK_CPU MATCHES "x86_64" OR FUNCHOOK_CPU MATCHES "i.86" OR FUNCHOOK_CPU MATCHES "AMD64")
       set(FUNCHOOK_CPU x86)
   endif ()
-  if (FUNCHOOK_CPU STREQUAL aarch64)
+  if (FUNCHOOK_CPU MATCHES "aarch64")
       set(FUNCHOOK_CPU arm64)
   endif ()
 endif ()
 
-if (FUNCHOOK_CPU STREQUAL arm64)
+if (FUNCHOOK_CPU MATCHES "arm64")
   set(FUNCHOOK_DEFAULT_DISASM "capstone")
 else ()
   set(FUNCHOOK_DEFAULT_DISASM "distorm")