diff --git a/panel-plugin/settings.c b/panel-plugin/settings.c
index 0c90779..9d6eab3 100644
--- a/panel-plugin/settings.c
+++ b/panel-plugin/settings.c
@@ -1,5 +1,21 @@
 #include "settings.h"
 
+void fallback_command( const gchar **command, gboolean *in_terminal )
+{
+	gchar *_command = g_find_program_in_path( "xfce4-taskmanager");
+	if( _command != NULL )
+	{
+		g_free( _command );
+		*command = "xfce4-taskmanager";
+		*in_terminal = FALSE;
+	}
+	else
+	{
+		*command = "top";
+		*in_terminal = TRUE;
+	}
+}
+
 void read_settings( XfcePanelPlugin * plugin, CPUGraph * base )
 {
 	const char *value;
@@ -46,6 +62,8 @@ void read_settings( XfcePanelPlugin * plugin, CPUGraph * base )
 
 		if( rc )
 		{
+			if( !xfce_rc_has_entry( rc, "AssociateCommand" ) )
+				fallback_command( &associated_command, &in_terminal );
 			rate =  xfce_rc_read_int_entry (rc, "UpdateInterval", rate );
 			nonlinear = xfce_rc_read_int_entry (rc, "TimeScale", nonlinear );
 			size = xfce_rc_read_int_entry( rc, "Size", size );