--- xlogo.c.str	2009-04-13 08:17:13.000000000 +0200
+++ xlogo.c	2009-04-13 08:17:25.000000000 +0200
@@ -150,7 +150,7 @@
 	SmcCloseConnection(connection, n, reasons);
     else {
 	for (i=0; i < n; i++)
-	    printf(reasons[i]);
+	    printf("%s",reasons[i]);
     }
     exit(EXIT_FAILURE);
 }