diff --git a/debugger/main.go b/debugger/main.go
index 891593e..0f079db 100644
--- a/debugger/main.go
+++ b/debugger/main.go
@@ -14,7 +14,7 @@ func main() {
 	}
 	defer dbg.Close()
 
-	mem := memory.New(dbg, 4*1024)
+	mem := memory.New(dbg, 128*1024)
 
 	if err := UI(mem); err != nil {
 		log.Fatal(err)