diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73e0226d..04e68302 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,6 +194,9 @@ if(EnableWarnings)
 else()
     target_compile_options(cathook PRIVATE -w)
 endif()
+if(Internal_Binarymode)
+    target_compile_options(cathook PRIVATE -march=x86-64)
+endif()
 
 
 target_include_directories(cathook PRIVATE include include/hooks)