diff --git a/src/viminfo.c b/src/viminfo.c
index 3f9e5f3..ac0d385 100644
--- a/src/viminfo.c
+++ b/src/viminfo.c
@@ -2730,7 +2730,7 @@
     {
 	// Continuation line of an unrecognized item.
 	if (writing)
-	    ga_add_string(&virp->vir_barlines, virp->vir_line);
+	    ga_copy_string(&virp->vir_barlines, virp->vir_line);
     }
     else
     {
@@ -2769,7 +2769,7 @@
 	    default:
 		// copy unrecognized line (for future use)
 		if (writing)
-		    ga_add_string(&virp->vir_barlines, virp->vir_line);
+		    ga_copy_string(&virp->vir_barlines, virp->vir_line);
 	}
 	for (i = 0; i < values.ga_len; ++i)
 	{