diff --git a/unified.go b/unified.go
index b7d85cf..10f7e4b 100644
--- a/unified.go
+++ b/unified.go
@@ -99,7 +99,7 @@ func ToUnified(from, to string, content string, edits []TextEdit) Unified {
 			//direct extension
 		case h != nil && start <= last+gap:
 			//within range of previous lines, add the joiners
-			addEqualLines(h, lines, last, start)
+			toLine += addEqualLines(h, lines, last, start)
 		default:
 			//need to start a new hunk
 			if h != nil {