diff --git a/usr/lib/linuxmint/mintinstall/mintinstall.py b/usr/lib/linuxmint/mintinstall/mintinstall.py
index e7f4698..40b77a2 100755
--- a/usr/lib/linuxmint/mintinstall/mintinstall.py
+++ b/usr/lib/linuxmint/mintinstall/mintinstall.py
@@ -1206,6 +1206,11 @@ def list_header_func(row, before, user_data=None):
         self.refresh_cache_menuitem.set_sensitive(False)
         submenu.append(self.refresh_cache_menuitem)
 
+        software_sources_menuitem = Gtk.MenuItem(label=_("Software sources..."))
+        software_sources_menuitem.connect("activate", self.open_software_sources)
+        software_sources_menuitem.show()
+        submenu.append(software_sources_menuitem)
+
         self.prefs_menuitem = Gtk.MenuItem(label=_("Preferences"))
         self.prefs_menuitem.connect("activate", self.on_prefs_clicked)
         self.prefs_menuitem.show()
@@ -1707,6 +1712,15 @@ def load_landing_apps(self, rcache=None):
         self.load_featured()
         self.load_top_rated()
 
+    def open_software_sources(self,_):
+        # Opens Mint's Software Sources and refreshes the cache afterwards
+        def on_process_exited(proc, result):
+            proc.wait_finish(result)
+            self.refresh_cache()
+        p = Gio.Subprocess.new(["mintsources"], 0)
+        # Add a callback when we exit mintsources
+        p.wait_async(None, on_process_exited)
+
     def should_show_pkginfo(self, pkginfo):
         if pkginfo.pkg_hash.startswith("fp:") and not self.settings.get_boolean(prefs.ALLOW_UNVERIFIED_FLATPAKS):
             return pkginfo.verified