diff --git a/programs/cmm/lib/patterns/history.h b/programs/cmm/lib/patterns/history.h
index 23691176f1..90c5a3c470 100644
--- a/programs/cmm/lib/patterns/history.h
+++ b/programs/cmm/lib/patterns/history.h
@@ -3,13 +3,13 @@
 struct _History {
 	collection items;
 	int active;	
-	dword add();
-	dword back();
-	dword forward();
+	int add();
+	int back();
+	int forward();
 	dword current();
 } History;
 
-dword _History::add(dword in)
+int _History::add(dword in)
 {
 	if (!strcmp(in, items.get(active-1))) return 0;
 	items.count = active;
@@ -18,18 +18,18 @@ dword _History::add(dword in)
 	return 1;
 }
 	
-dword _History::back()
+int _History::back()
 {
 	if (active==1) return 0;
 	active--;
-	return items.get(active-1);
+	return 1;
 }
 
-dword _History::forward()
+int _History::forward()
 {
 	if (active==items.count) return 0;
 	active++;
-	return items.get(active-1);
+	return 1;
 }
 
 dword _History::current()
diff --git a/programs/cmm/liza/liza.c b/programs/cmm/liza/liza.c
index f47afbafdf..eaaa5b5060 100644
--- a/programs/cmm/liza/liza.c
+++ b/programs/cmm/liza/liza.c
@@ -12,6 +12,7 @@
 #include "../lib/socket.h"
 #include "../lib/draw_buf.h"
 #include "../lib/cursor.h"
+#include "../lib/collection.h"
 //*.obj libraries
 #include "../lib/obj/box_lib.h"
 #include "../lib/obj/network.h"
@@ -19,6 +20,8 @@
 #include "../lib/obj/libimg_lib.h"
 #include "../lib/obj/netcode.h"
 #include "../lib/obj/iconv.h"
+//patternts
+#include "..\lib\patterns\history.h"
 //images
 byte letter_icons[sizeof(file "img/letter_icons.raw")] = FROM "img/letter_icons.raw";
 #include "img/letter_icons.h"