diff --git a/inxi b/inxi
index 60970ea..c64518d 100755
--- a/inxi
+++ b/inxi
@@ -2,7 +2,7 @@
 ########################################################################
 ####  Script Name: inxi
 ####  version: 1.8.24
-####  Date: December 5 2012
+####  Date: December 6 2012
 ####  Patch Number: 00
 ########################################################################
 ####  SPECIAL THANKS
@@ -3712,7 +3712,7 @@ get_distro_data()
 		# if the file was null but present, which can happen in some cases, then use the file name itself to 
 		# set the distro value. Why say unknown if we have a pretty good idea, after all?
 		if [[ -n $distro_file ]] && [[ " $DISTROS_DERIVED $DISTROS_PRIMARY " == *" $distro_file "* ]];then
-			distro=$( sed -E -e 's/[-_]//' -e 's/(release|version)//' <<< $distro_file | sed -E 's/^([a-z])/\u\1/' )
+			distro=$( sed -r -e 's/[-_]//' -e 's/(release|version)//' <<< $distro_file | sed -r 's/^([a-z])/\u\1/' )
 		fi
 		## finally, if all else has failed, give up
 		if [[ -z $distro ]];then
@@ -3890,7 +3890,7 @@ get_gcc_system_version()
 	eval $LOGFS
 	local separator='' gcc_installed='' gcc_list='' gcc_others='' temp_array=''
 	local gcc_version=$( 
-	gcc --version 2>/dev/null | sed -E 's/\([^\)]*\)//g' | gawk '
+	gcc --version 2>/dev/null | sed -r 's/\([^\)]*\)//g' | gawk '
 	BEGIN {
 		IGNORECASE=1
 	}
@@ -6526,7 +6526,7 @@ get_shell_data()
 	if [[ $B_EXTRA_DATA == 'true' && -n $shell_type ]];then
 		case $shell_type in
 			bash)
-				shell_version=$( get_de_app_version "$shell_type" "^GNU[[:space:]]bash,[[:space:]]version" "4" | sed -E 's/(\(.*|-release|-version)//' )
+				shell_version=$( get_de_app_version "$shell_type" "^GNU[[:space:]]bash,[[:space:]]version" "4" | sed -r 's/(\(.*|-release|-version)//' )
 				;;
 			# csh/dash use dpkg package version data, debian/buntu only
 			csh)