Index: fp_fs.c
===================================================================
--- fp_fs.c	(revision 11596)
+++ fp_fs.c	(revision 11597)
@@ -471,8 +471,10 @@
 {
 	char *basename, *params, *fullname;
 	FILE *f = NULL;
-	const char *libshell = conf_core.rc.library_shell;
+	const char *libshell;
 
+	pcb_conf_cmd_is_safe(rc.library_shell, &libshell, 1);
+
 	fctx->field[F_IS_PARAMETRIC].i = pcb_fp_dupname(name, &basename, &params);
 	if (basename == NULL)
 		return NULL;