diff --git a/vector/v.to.db/lines.c b/vector/v.to.db/lines.c
index 5550c393a77..9cafd890e31 100644
--- a/vector/v.to.db/lines.c
+++ b/vector/v.to.db/lines.c
@@ -264,6 +264,11 @@ int read_lines(struct Map_info *Map)
         }
         G_percent(line_num, nlines, 2);
     }
+    Vect_destroy_line_struct(EndPoints);
+    Vect_destroy_cats_struct(RCats);
+    Vect_destroy_line_struct(Points);
+    Vect_destroy_cats_struct(LCats);
+    Vect_destroy_cats_struct(Cats);
 
     return 0;
 }