diff --git a/src/BitemporalPostgres.jl b/src/BitemporalPostgres.jl
index 7196304..2e0f805 100644
--- a/src/BitemporalPostgres.jl
+++ b/src/BitemporalPostgres.jl
@@ -626,7 +626,7 @@ function update_entity!(w::Workflow)
         save!(v)
         active_version = v.id
         w.ref_version = active_version
-        w.tsdb_validfrom = now(tz"UTC"),
+        w.tsdb_validfrom = now(tz"UTC")
         save!(w)
 
         i = ValidityInterval(