diff --git a/src/main/res/values/arrays.xml b/src/main/res/values/arrays.xml
index 86be2ee9713f3cc5c899e2463b75c9acb6bbb5b7..2be34fc4a5967af77233510e19ae24ff7a6ea5e4 100644
--- a/src/main/res/values/arrays.xml
+++ b/src/main/res/values/arrays.xml
@@ -73,12 +73,14 @@
 	</string-array>
 
 	<string-array name="grace_periods">
+		<item>@string/gp_disable</item>
 		<item>@string/gp_short</item>
 		<item>@string/gp_medium</item>
 		<item>@string/gp_long</item>
 	</string-array>
 
 	<string-array name="grace_periods_values">
+		<item>0</item>
 		<item>144</item>
 		<item>610</item>
 		<item>2584</item>
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 032ba14ec903c30505d7dbbe1c1594480e023fbb..7dde02fa2e075cdb52a4ce3f6f0f550d6fc5538f 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -535,6 +535,7 @@
     <string name="choose_participants">Choose participants</string>
     <string name="creating_conference">Creating group chat…</string>
     <string name="invite_again">Invite again</string>
+    <string name="gp_disable">Disable</string>
     <string name="gp_short">Short</string>
     <string name="gp_medium">Medium</string>
     <string name="gp_long">Long</string>