diff --git a/bots/check-mirroring b/bots/check-mirroring
index 50dca1b..4e755ac 100755
--- a/bots/check-mirroring
+++ b/bots/check-mirroring
@@ -28,9 +28,10 @@ parser.add_option('--root-path',
 
 # The 'api' directory needs to go first, so that 'import zulip' won't pick up
 # some other directory named 'humbug'.
+pyzephyr_lib_path = "python-zephyr/build/lib.linux-%s-%s/" % (os.uname()[4], sys.version[0:3])
 sys.path[:0] = [os.path.join(options.root_path, "api/"),
                 os.path.join(options.root_path, "python-zephyr"),
-                os.path.join(options.root_path, "python-zephyr/build/lib.linux-x86_64-2.6/"),
+                os.path.join(options.root_path, pyzephyr_lib_path),
                 options.root_path]
 
 mit_user = 'tabbott/extra@ATHENA.MIT.EDU'
diff --git a/bots/zephyr_mirror_backend.py b/bots/zephyr_mirror_backend.py
index f4085af..8168ae2 100755
--- a/bots/zephyr_mirror_backend.py
+++ b/bots/zephyr_mirror_backend.py
@@ -937,7 +937,7 @@ if __name__ == "__main__":
 
     # The 'api' directory needs to go first, so that 'import zulip' won't pick
     # up some other directory named 'humbug'.
-    pyzephyr_lib_path = "python-zephyr/build/lib.linux-" + os.uname()[4] + "-2.6/"
+    pyzephyr_lib_path = "python-zephyr/build/lib.linux-%s-%s/" % (os.uname()[4], sys.version[0:3])
     sys.path[:0] = [os.path.join(options.root_path, 'api'),
                     options.root_path,
                     os.path.join(options.root_path, "python-zephyr"),