http://bugzilla.xfce.org/show_bug.cgi?id=6613

--- panel-plugin/Makefile.am
+++ panel-plugin/Makefile.am
@@ -5,7 +5,7 @@
         -DPACKAGE_LOCALE_DIR=\"$(localedir)\" \
 	@LIBXFCE4PANEL_CFLAGS@
 
-xfce4_cellmodem_plugin_LDFLAGS = \
+xfce4_cellmodem_plugin_LDADD = \
 	@LIBXFCE4PANEL_LIBS@ 
 
 xfce4_cellmodem_plugin_SOURCES = \