diff --git a/res/xml/bone.xml b/res/xml/bone.xml
index 391c9f9..c107e88 100644
--- a/res/xml/bone.xml
+++ b/res/xml/bone.xml
@@ -36,8 +36,8 @@
 		<key width="1.5" key0="backspace"	key1="delete"	key3=";"/>
 	</row>
 	<row height="0.95">
-		<key width="1.8" key0="ctrl"						key2="meta" 								key4="switch_numeric"/>
-		<key width="1.2" key0="fn"		key1="alt"			key2="change_method"	key3="switch_emoji" key4="config"/>
+		<key width="1.8" key0="ctrl"						key2="loc meta" 								key4="switch_numeric"/>
+		<key width="1.2" key0="fn"		key1="loc alt"			key2="change_method"	key3="switch_emoji" key4="config"/>
 		<key width="4.0" key0="space"	key1="switch_programming"					key2="0" 			edgekeys="true"/>
 		<key width="1.2" 				key1="up"			key2="right" 			key3="left" 		key4="down" edgekeys="true"/>
 		<key width="1.8" key0="enter"												key3="action"/>
diff --git a/res/xml/bottom_row.xml b/res/xml/bottom_row.xml
index 14e28a2..bfd4e90 100644
--- a/res/xml/bottom_row.xml
+++ b/res/xml/bottom_row.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <row height="0.95">
-  <key width="1.8" key0="ctrl" key1="loc switch_greekmath" key2="meta" key4="switch_numeric"/>
-  <key width="1.2" key0="fn" key1="alt" key2="change_method" key3="switch_emoji" key4="config"/>
+  <key width="1.8" key0="ctrl" key1="loc switch_greekmath" key2="loc meta" key4="switch_numeric"/>
+  <key width="1.2" key0="fn" key1="loc alt" key2="change_method" key3="switch_emoji" key4="config"/>
   <key width="4.0" key0="space" key1="switch_programming" edgekeys="true"/>
   <key width="1.2" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
   <key width="1.8" key0="enter" key2="action"/>
diff --git a/res/xml/neo2.xml b/res/xml/neo2.xml
index f20c8b9..1ed75b8 100644
--- a/res/xml/neo2.xml
+++ b/res/xml/neo2.xml
@@ -39,8 +39,8 @@
     <key width="1.5" key0="backspace" key2="delete"/>
   </row>
   <row height="0.95">
-	  <key width="1.8" key0="ctrl" key2="meta" key4="switch_numeric"/>
-	  <key width="1.2" key0="fn" key1="alt" key2="change_method" key3="switch_emoji" key4="config"/>
+	  <key width="1.8" key0="ctrl" key2="loc meta" key4="switch_numeric"/>
+	  <key width="1.2" key0="fn" key1="loc alt" key2="change_method" key3="switch_emoji" key4="config"/>
 	  <key width="4.0" key0="space" key1="switch_programming" edgekeys="true"/>
 	  <key width="1.2" key1="up" key2="right" key3="left" key4="down" edgekeys="true"/>
 	  <key key0="j" key4=";"/>
diff --git a/res/xml/numeric.xml b/res/xml/numeric.xml
index 087b625..ba1081f 100644
--- a/res/xml/numeric.xml
+++ b/res/xml/numeric.xml
@@ -20,7 +20,7 @@
   </row>
   <row>
     <key width="0.75" key0="switch_greekmath"/>
-    <key width="0.75" key0="shift" key2="fn" key4="alt"/>
+    <key width="0.75" key0="shift" key2="fn" key4="loc alt"/>
     <key key0="1" key1="superscript" key2="ordinal" key3="subscript"/>
     <key key0="2"/>
     <key key0="3"/>
diff --git a/srcs/juloo.keyboard2/ExtraKeyCheckBoxPreference.java b/srcs/juloo.keyboard2/ExtraKeyCheckBoxPreference.java
index 0a98b9d..d0734b9 100644
--- a/srcs/juloo.keyboard2/ExtraKeyCheckBoxPreference.java
+++ b/srcs/juloo.keyboard2/ExtraKeyCheckBoxPreference.java
@@ -14,6 +14,8 @@ public class ExtraKeyCheckBoxPreference extends CheckBoxPreference
 {
   public static String[] extra_keys = new String[]
   {
+    "alt",
+    "meta",
     "accent_aigu",
     "accent_grave",
     "accent_double_aigu",
@@ -33,6 +35,18 @@ public class ExtraKeyCheckBoxPreference extends CheckBoxPreference
     "switch_greekmath",
   };
 
+  public static boolean default_checked(String name)
+  {
+    switch (name)
+    {
+      case "alt":
+      case "meta":
+        return true;
+      default:
+        return false;
+    }
+  }
+
   boolean _key_font;
 
   public ExtraKeyCheckBoxPreference(Context context, AttributeSet attrs)
@@ -43,6 +57,7 @@ public class ExtraKeyCheckBoxPreference extends CheckBoxPreference
     a.recycle();
     String key_name = extra_keys[index];
     setKey(pref_key_of_key_name(key_name));
+    setDefaultValue(default_checked(key_name));
     KeyValue kv = KeyValue.getKeyByName(key_name);
     setTitle(kv.getString());
     _key_font = kv.hasFlags(KeyValue.FLAG_KEY_FONT);
@@ -66,7 +81,7 @@ public class ExtraKeyCheckBoxPreference extends CheckBoxPreference
     HashSet<KeyValue> ks = new HashSet<KeyValue>();
     for (String key_name : extra_keys)
     {
-      if (prefs.getBoolean(pref_key_of_key_name(key_name), false))
+      if (prefs.getBoolean(pref_key_of_key_name(key_name), default_checked(key_name)))
         ks.add(KeyValue.getKeyByName(key_name));
     }
     return ks;