diff --git a/gitg/resources/ui/gitg-window.ui b/gitg/resources/ui/gitg-window.ui
index 41dfd0c6..7f5e2bcf 100644
--- a/gitg/resources/ui/gitg-window.ui
+++ b/gitg/resources/ui/gitg-window.ui
@@ -8,6 +8,7 @@
     <property name="title" translatable="yes">gitg</property>
     <property name="default_width">1000</property>
     <property name="default_height">600</property>
+    <property name="icon_name">gitg</property>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="d_header_bar">
         <property name="visible">True</property>