diff --git a/lib/src/main/java/org/ncmud/mudwammer/service/plugin/ConnectionSettingsPlugin.java b/lib/src/main/java/org/ncmud/mudwammer/service/plugin/ConnectionSettingsPlugin.java
index 49048974..5050b9a5 100644
--- a/lib/src/main/java/org/ncmud/mudwammer/service/plugin/ConnectionSettingsPlugin.java
+++ b/lib/src/main/java/org/ncmud/mudwammer/service/plugin/ConnectionSettingsPlugin.java
@@ -99,7 +99,7 @@ private void init() {
         keep_last.setDescription(
                 "Keeps the last text entered in the window and highights after sending.");
         keep_last.setKey("keep_last");
-        keep_last.setValue(false);
+        keep_last.setValue(true);
         input.addOption(keep_last);
 
         BooleanOption compatilibility_mode = new BooleanOption();
diff --git a/lib/src/main/java/org/ncmud/mudwammer/service/plugin/settings/ConnectionSetttingsParser.java b/lib/src/main/java/org/ncmud/mudwammer/service/plugin/settings/ConnectionSetttingsParser.java
index fa99eaf2..bb28b2f8 100644
--- a/lib/src/main/java/org/ncmud/mudwammer/service/plugin/settings/ConnectionSetttingsParser.java
+++ b/lib/src/main/java/org/ncmud/mudwammer/service/plugin/settings/ConnectionSetttingsParser.java
@@ -418,7 +418,7 @@ private static void dumpOptions(XmlSerializer out, SettingsGroup o)
                             }
                             break;
                         case keep_last:
-                            if ((Boolean) opt.getValue() != false) {
+                            if ((Boolean) opt.getValue() != true) {
                                 dooutput = true;
                             }
                             break;