diff --git a/term/src/main/java/com/offsec/nhterm/Term.java b/term/src/main/java/com/offsec/nhterm/Term.java
index 8337a6e..6c37633 100644
--- a/term/src/main/java/com/offsec/nhterm/Term.java
+++ b/term/src/main/java/com/offsec/nhterm/Term.java
@@ -1086,6 +1086,9 @@ public class Term extends Activity implements UpdateCallback, SharedPreferences.
             case TermSettings.BACK_KEY_CLOSES_WINDOW:
                 doCloseWindow();
                 return true;
+            case TermSettings.BACK_KEY_TOGGLE_IME:
+                doToggleSoftKeyboard();
+                return true;
             default:
                 return false;
             }
diff --git a/term/src/main/java/com/offsec/nhterm/util/TermSettings.java b/term/src/main/java/com/offsec/nhterm/util/TermSettings.java
index 716369b..36ecfd0 100644
--- a/term/src/main/java/com/offsec/nhterm/util/TermSettings.java
+++ b/term/src/main/java/com/offsec/nhterm/util/TermSettings.java
@@ -151,7 +151,8 @@ public class TermSettings {
     public static final int BACK_KEY_CLOSES_ACTIVITY = 2;
     public static final int BACK_KEY_SENDS_ESC = 3;
     public static final int BACK_KEY_SENDS_TAB = 4;
-    private static final int BACK_KEY_MAX = 4;
+    public static final int BACK_KEY_TOGGLE_IME = 5;
+    private static final int BACK_KEY_MAX = 5;
 
     public TermSettings(Resources res, SharedPreferences prefs) {
         readDefaultPrefs(res);
@@ -273,6 +274,7 @@ public class TermSettings {
     }
 
     public boolean backKeySendsCharacter() {
+        if (mBackKeyAction == BACK_KEY_TOGGLE_IME) return false;
         return mBackKeyAction >= BACK_KEY_SENDS_ESC;
     }
 
diff --git a/term/src/main/res/values-ja/arrays.xml b/term/src/main/res/values-ja/arrays.xml
index 740fa65..c4ff6e1 100644
--- a/term/src/main/res/values-ja/arrays.xml
+++ b/term/src/main/res/values-ja/arrays.xml
@@ -82,6 +82,7 @@
         <item>アクティビティを閉じ，セッションは実行を継続</item>
         <item>ターミナルにESCを送出</item>
         <item>ターミナルにTABを送出</item>
+        <item>IMEのトグル</item>
     </string-array>
 
     <string-array name="entries_controlkey_preference">
diff --git a/term/src/main/res/values/arrays.xml b/term/src/main/res/values/arrays.xml
index b4c1151..bb0bf42 100644
--- a/term/src/main/res/values/arrays.xml
+++ b/term/src/main/res/values/arrays.xml
@@ -88,6 +88,7 @@
         <item>Closes activity, leaving sessions running</item>
         <item>Sends ESC to terminal</item>
         <item>Sends TAB to terminal</item>
+        <item>Toggle soft keyboard</item>
     </string-array>
 
     <string-array name="entries_controlkey_preference">
diff --git a/term/src/main/res/values/arraysNoLocalize.xml b/term/src/main/res/values/arraysNoLocalize.xml
index 76daa45..b9660c5 100644
--- a/term/src/main/res/values/arraysNoLocalize.xml
+++ b/term/src/main/res/values/arraysNoLocalize.xml
@@ -90,6 +90,7 @@
         <item>2</item>
         <item>3</item>
         <item>4</item>
+        <item>5</item>
     </string-array>
 
     <string-array name="entryvalues_controlkey_preference">