diff --git a/server.py b/server.py
index 77415fb..f7e6815 100644
--- a/server.py
+++ b/server.py
@@ -19,7 +19,7 @@
 app = FastAPI(
     title="Kaspa REST-API server",
     description="This server is to communicate with kaspa network via REST-API",
-    version=os.getenv("VERSION", "tbd"),
+    version=os.getenv("VERSION") or "tbd",
     contact={
         "name": "lAmeR1"
     },