diff --git a/base/go/wrapper_helpers.go b/base/go/wrapper_helpers.go
index 06e3f22e..c0ec1e88 100644
--- a/base/go/wrapper_helpers.go
+++ b/base/go/wrapper_helpers.go
@@ -17,6 +17,7 @@ package base
 import (
 	"database/sql"
 	"google.golang.org/protobuf/types/known/timestamppb"
+	"google.golang.org/protobuf/types/known/wrapperspb"
 )
 
 func SqlNullTime(t sql.NullTime) *timestamppb.Timestamp {
@@ -25,3 +26,10 @@ func SqlNullTime(t sql.NullTime) *timestamppb.Timestamp {
 	}
 	return timestamppb.New(t.Time)
 }
+
+func SqlNullString(s sql.NullString) *wrapperspb.StringValue {
+	if !s.Valid {
+		return nil
+	}
+	return wrapperspb.String(s.String)
+}