diff --git a/src/map.c b/src/map.c
index 6fb3100..6f9eafe 100644
--- a/src/map.c
+++ b/src/map.c
@@ -556,7 +556,7 @@ void map_jump(void) {
       map_path = NULL;
     } else {
       /* Get rid of bottom of the path. */
-      memcpy(&map_path[0], &map_path[1], sizeof(StarSystem*) * map_npath);
+      memmove(&map_path[0], &map_path[1], sizeof(StarSystem*) * map_npath);
       map_path = realloc(map_path, sizeof(StarSystem*) * map_npath);
 
       /* Set the next jump to be the next in path. */