diff --git a/src/gui/gcal-calendar-list.c b/src/gui/gcal-calendar-list.c
index 1a98b4ea..08fdd3af 100644
--- a/src/gui/gcal-calendar-list.c
+++ b/src/gui/gcal-calendar-list.c
@@ -183,6 +183,7 @@ update_header_func (GtkListBoxRow *row,
           header = g_object_new (GTK_TYPE_LABEL,
                                  "label", e_source_get_display_name (parent),
                                  "css-classes", (const gchar * const []) { "heading", NULL },
+                                 "ellipsize", PANGO_ELLIPSIZE_END,
                                  "xalign", 0.0,
                                  "margin-top", 18,
                                  "margin-bottom", 6,