1 files changed, 7 insertions, 0 deletions
diff --git a/src/map.c b/src/map.c
index e3fc6d2..babb118 100644
--- a/src/map.c
+++ b/src/map.c
@@ -12,6 +12,13 @@ map_next(void)
 		map_id += 1;
 }
 
+void
+map_previous(void)
+{
+	if (map_id > 0)
+		map_id -= 1;
+}
+
 int
 map_width(void)
 {