diff --git a/salt_lsp/server.py b/salt_lsp/server.py
index 1183a09..b9dc996 100644
--- a/salt_lsp/server.py
+++ b/salt_lsp/server.py
@@ -250,7 +250,7 @@ def did_open(
             uri=params.text_document.uri,
             language_id=SLS_LANGUAGE_ID,
             text=params.text_document.text or "",
-            version=doc.version,
+            version=doc.version or 0,
         )
 
     @server.feature(TEXT_DOCUMENT_DOCUMENT_SYMBOL)