1 files changed, 1 insertions, 1 deletions

diff --git a/meta/recipes-core/initrdscripts/initramfs-framework/init b/meta/recipes-core/initrdscripts/initramfs-framework/init
index 37527a840a..3c7e09422d 100755
--- a/meta/recipes-core/initrdscripts/initramfs-framework/init
+++ b/meta/recipes-core/initrdscripts/initramfs-framework/init
@@ -84,7 +84,7 @@ mount -t sysfs sysfs /sys
 # populate bootparam environment
 for p in `cat /proc/cmdline`; do
         opt=`echo $p | cut -d'=' -f1`
-        opt=`echo $opt | tr '.-' '__'`
+        opt=`echo $opt | sed -e 'y/.-/__/'`
         if [ "`echo $p | cut -d'=' -f1`" = "$p" ]; then
                 eval "bootparam_${opt}=true"
         else