diff --git a/package_control/library.py b/package_control/library.py
index 8cb8b022..eac3b241 100644
--- a/package_control/library.py
+++ b/package_control/library.py
@@ -280,9 +280,9 @@ def convert_dependency(dependency_path, python_version, name, version, descripti
         install_rel_paths.append(("st4_plat", "st4_py{}_{}".format(py, plat)))
         # pure python releases releases for python 3.13+
         if python_version == "3.13":
-            install_rel_paths.append(("st4_py", "st4_py313".format()))
+            install_rel_paths.append(("st4_py", "st4_py313"))
         # pure python releases for python 3.8+
-        install_rel_paths.append(("st4_py", "st4_py38".format()))
+        install_rel_paths.append(("st4_py", "st4_py38"))
         install_rel_paths.append(("st4", "st4"))
 
     # platform/arch specific st3 dependencies are most likely only compatible with python 3.3
diff --git a/package_control/sys_path.py b/package_control/sys_path.py
index 6b541bc3..82c06a29 100644
--- a/package_control/sys_path.py
+++ b/package_control/sys_path.py
@@ -160,7 +160,7 @@ def lib_paths():
             data = (
                 ("3.3", "python33", not settings.get('disable_plugin_host_3.3', False)),
                 ("3.8", "python38", True),
-                ("3.13", "python3.13", True),
+                ("3.13", "python313", True),
             )
             lib_paths.cache = {
                 py_ver: os.path.join(__data_path, "Lib", py_dir)