diff --git a/kontur/httptoolkitcore/_version.py b/kontur/httptoolkitcore/_version.py
index 67d23c1..376abb2 100644
--- a/kontur/httptoolkitcore/_version.py
+++ b/kontur/httptoolkitcore/_version.py
@@ -1,5 +1,5 @@
 from os import environ
 
-ref_type = environ.get("GITHUB_REF_TYPE", False)
-if ref_type == "tag":
-    __version__ = environ.get("GITHUB_REF_NAME") or "0.dev0"
+ref_type = environ.get("GITHUB_REF_TYPE")
+
+__version__ = environ.get("GITHUB_REF_NAME") if ref_type == "tag" else "0.dev0"