diff --git a/wscript b/wscript
index 2c30e6c..8fd2b02 100644
--- a/wscript
+++ b/wscript
@@ -229,6 +229,8 @@
     <string>%s</string>
     <key>LSUIElement</key>
     <string>1</string>
+    <key>SUPublicDSAKeyFile</key>
+    <string>dsa_pub.pem</string>
 </dict>
 </plist>'''
         qt.mac_app = "ChronoShare.app"