diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c
index b4343d8..624c708 100644
--- a/board/mpl/common/common_util.c
+++ b/board/mpl/common/common_util.c
@@ -284,13 +284,13 @@
 		}
 	}
 	memcpy(back.signature,"MPL\0",4);
-	i = getenv_r("serial#",back.serial_name,16);
+	i = getenv_f("serial#",back.serial_name,16);
 	if(i < 0) {
 		puts("Not possible to write Backup\n");
 		return;
 	}
 	back.serial_name[16]=0;
-	i = getenv_r("ethaddr",back.eth_addr,20);
+	i = getenv_f("ethaddr",back.eth_addr,20);
 	if(i < 0) {
 		puts("Not possible to write Backup\n");
 		return;
diff --git a/board/mpl/common/memtst.c b/board/mpl/common/memtst.c
index 92c33ba..68973f9 100644
--- a/board/mpl/common/memtst.c
+++ b/board/mpl/common/memtst.c
@@ -29,7 +29,7 @@
 	unsigned char s[32];
 	int i;
 
-	i = getenv_r ("testmem", s, 32);
+	i = getenv_f("testmem", s, 32);
 	if (i != 0) {
 		i = (int) simple_strtoul (s, NULL, 10);
 		if ((i > 0) && (i < 0xf)) {
diff --git a/board/mpl/mip405/mip405.c b/board/mpl/mip405/mip405.c
index af3a98a..7400ca6 100644
--- a/board/mpl/mip405/mip405.c
+++ b/board/mpl/mip405/mip405.c
@@ -589,7 +589,7 @@
 
 	puts ("Board: ");
 	get_pcbrev_var(&bc,&var);
-	i = getenv_r ("serial#", (char *)s, 32);
+	i = getenv_f("serial#", (char *)s, 32);
 	if ((i == 0) || strncmp ((char *)s, BOARD_NAME,sizeof(BOARD_NAME))) {
 		get_backup_values (b);
 		if (strncmp (b->signature, "MPL\0", 4) != 0) {
diff --git a/board/mpl/pati/pati.c b/board/mpl/pati/pati.c
index e12bc42..7f1164a 100644
--- a/board/mpl/pati/pati.c
+++ b/board/mpl/pati/pati.c
@@ -353,7 +353,7 @@
 	puts ("\nBoard: ");
 	reg=in32(PLD_CONFIG_BASE+PLD_BOARD_TIMING);
 	rev=(char)(SYSCNTR_BREV(reg)+'A');
-	i = getenv_r ("serial#", s, 32);
+	i = getenv_f("serial#", s, 32);
 	if ((i == -1)) {
 		puts ("### No HW ID - assuming " BOARD_NAME);
 		printf(" Rev. %c\n",rev);
diff --git a/board/mpl/pip405/pip405.c b/board/mpl/pip405/pip405.c
index 792eccc..7b48c06 100644
--- a/board/mpl/pip405/pip405.c
+++ b/board/mpl/pip405/pip405.c
@@ -579,7 +579,7 @@
 
 	puts ("Board: ");
 
-	i = getenv_r ("serial#", (char *)s, 32);
+	i = getenv_f("serial#", (char *)s, 32);
 	if ((i == 0) || strncmp ((char *)s, "PIP405", 6)) {
 		get_backup_values (b);
 		if (strncmp (b->signature, "MPL\0", 4) != 0) {
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
index 1835677..eaeec82 100644
--- a/board/mpl/vcma9/vcma9.c
+++ b/board/mpl/vcma9/vcma9.c
@@ -295,7 +295,7 @@
 	int i;
 	backup_t *b = (backup_t *) s;
 
-	i = getenv_r("serial#", s, 32);
+	i = getenv_f("serial#", s, 32);
 	if ((i < 0) || strncmp (s, "VCMA9", 5)) {
 		get_backup_values (b);
 		if (strncmp (b->signature, "MPL\0", 4) != 0) {
@@ -340,7 +340,7 @@
 	char s[50];
 	int i;
 
-	if ((i = getenv_r("serial#", s, 32)) < 0) {
+	if ((i = getenv_f("serial#", s, 32)) < 0) {
 		puts ("### No HW ID - assuming VCMA9");
 		printf("i %d", i*24);
 	} else {