diff -u a/main.c b/main.c
--- a/main.c	2008-03-15 15:38:18.000000000 -0700
+++ b/main.c	2008-04-16 08:01:26.000000000 -0700
@@ -32,6 +32,7 @@
 
 #include <libxfce4util/libxfce4util.h>
 #include <libxfcegui4/dialogs.h>
+#include <libxfcegui4/xfce-exec.h>
 #include <libxfce4panel/xfce-panel-plugin.h>
 #include <libxfce4panel/xfce-panel-convenience.h>
 
@@ -94,10 +95,8 @@
 {
     struct genmon_t *poPlugin = (genmon_t *) p_pvPlugin;
     struct monitor_t *poMonitor = &(poPlugin->oMonitor);
-    char result[256];
 
-    genmon_SpawnCmd (poMonitor->onClickCmd, result,
-        sizeof (poMonitor->onClickCmd), 0);
+	xfce_exec(poMonitor->onClickCmd, 0, 0, NULL);
 }
 
 /**************************************************************/