diff --git a/board/siemens/SCM/scm.c b/board/siemens/SCM/scm.c
index e0611fe..926e491 100644
--- a/board/siemens/SCM/scm.c
+++ b/board/siemens/SCM/scm.c
@@ -209,7 +209,7 @@
 int checkboard (void)
 {
 	char str[64];
-	int i = getenv_r ("serial#", str, sizeof (str));
+	int i = getenv_f("serial#", str, sizeof (str));
 
 	puts ("Board: ");