diff --git a/python/src/libcpuid/_ffi_build_manual.py b/python/src/libcpuid/_ffi_build_manual.py
index 1b53a727..e1fa8abc 100644
--- a/python/src/libcpuid/_ffi_build_manual.py
+++ b/python/src/libcpuid/_ffi_build_manual.py
@@ -14,7 +14,7 @@
     ffibuilder.cdef(subprocess.check_output(["gcc", "-E", header]).decode())
     ffibuilder.set_source(
         "src.libcpuid._libcpuid_cffi",
-        f'#include <libcpuid.h>',
+        f'#include "{header}"',
         libraries=["cpuid"],
         library_dirs=[library_dir]
     )