diff --git a/master.cfg b/master.cfg
index 07a0de6..786ae98 100644
--- a/master.cfg
+++ b/master.cfg
@@ -142,9 +142,9 @@ factory.addStep(
 factory.addStep(
     steps.DirectoryUpload(
         workersrc=DOC_DIR,
-        masterdest="/buildbot_share/docs/radn-rs/%(worker:rust_version)/",
+        masterdest="/buildbot_share/docs/radn-rs/%(worker:rust_version)s/",
         url=util.Interpolate(
-            "https://radn.parrrate.ru/latest/docs/%(worker:rust_version)/radn_rs/"
+            "https://radn.parrrate.ru/latest/docs/%(worker:rust_version)s/radn_rs/"
         ),
     )
 )