diff --git a/res/values/strings.xml b/res/values/strings.xml
index c8c9d4c73..487e197b6 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -76,6 +76,7 @@
 	<string name="key_volume_down">Volume Down</string>
 	<string name="key_volume_up">Volume Up</string>
 
+	<string name="char_comma" translatable="false">,</string>
 	<string name="char_dot" translatable="false">.</string>
 	<string name="char_newline">New Line</string>
 	<string name="char_space">Space</string>
diff --git a/src/io/github/sspanak/tt9/preferences/items/ItemSelectZeroKeyCharacter.java b/src/io/github/sspanak/tt9/preferences/items/ItemSelectZeroKeyCharacter.java
index 003a745d8..c44d70ffc 100644
--- a/src/io/github/sspanak/tt9/preferences/items/ItemSelectZeroKeyCharacter.java
+++ b/src/io/github/sspanak/tt9/preferences/items/ItemSelectZeroKeyCharacter.java
@@ -22,6 +22,7 @@ public ItemSelectZeroKeyCharacter(DropDownPreference dropDown, Context context)
 		Resources resources = context.getResources();
 
 		KEYS.put(".", resources.getString(R.string.char_dot));
+		KEYS.put(",", resources.getString(R.string.char_comma));
 		KEYS.put("\\n", resources.getString(R.string.char_newline)); // SharedPreferences return a corrupted string when using the real "\n"... :(
 		KEYS.put(" ", resources.getString(R.string.char_space));
 	}