diff --git a/python/olm_build.py b/python/olm_build.py
index 0606337..1032da0 100644
--- a/python/olm_build.py
+++ b/python/olm_build.py
@@ -46,6 +46,7 @@ ffibuilder.set_source(
         #include <olm/sas.h>
     """,
     libraries=["olm"],
+    library_dirs = ["../lib64"],
     extra_compile_args=compile_args,
     extra_link_args=link_args)