diff --git a/src/ui/call-display.ui b/src/ui/call-display.ui
index 0acfade..e202b55 100644
--- a/src/ui/call-display.ui
+++ b/src/ui/call-display.ui
@@ -402,6 +402,7 @@
                     <property name="editable">False</property>
                     <property name="xalign">0.5</property>
                     <property name="margin_bottom">8</property>
+                    <property name="im-module">simple</property>
                   </object>
                 </child>
                 <child>
diff --git a/src/ui/new-call-box.ui b/src/ui/new-call-box.ui
index e036e9b..2072446 100644
--- a/src/ui/new-call-box.ui
+++ b/src/ui/new-call-box.ui
@@ -50,6 +50,7 @@
         <property name="input-purpose">phone</property>
         <property name="input-hints">no-emoji|inhibit-osk</property>
         <property name="visible">True</property>
+        <property name="im-module">simple</property>
       </object>
       <packing>
         <property name="expand">False</property>