diff --git a/files/core-functions.sh b/files/core-functions.sh
index 56314e9..6877db1 100644
--- a/files/core-functions.sh
+++ b/files/core-functions.sh
@@ -1276,7 +1276,7 @@ function sanity_check() {
 	[ "$SPINNING" = "off" ] || spinning ${TMPDIR}/waiting &
 
 	for i in $(ls -1 $ROOT/var/log/packages/ | \
-		egrep -- "^.*-(${ARCH}|fw|noarch)-[^-]+-upgraded"); do
+		grep -E -- "^.*-(${ARCH}|fw|noarch)-[^-]+-upgraded"); do
 		REVNAME=$(echo ${i} | awk -F'-upgraded' '{ print $1 }')
 		mv $ROOT/var/log/packages/${i} $ROOT/var/log/packages/${REVNAME}
 		mv $ROOT/var/log/scripts/${i} $ROOT/var/log/scripts/${REVNAME}
diff --git a/files/slackpkg b/files/slackpkg
index 9fc7f5d..cc95bb0 100644
--- a/files/slackpkg
+++ b/files/slackpkg
@@ -222,7 +222,7 @@ while [ -n "$1" ] ; do
       CMD=$1
       shift
       if [ -n "$1" ]; then
-        if echo $1 | egrep -q "^\.{0,2}/" ; then
+        if echo $1 | grep -Eq "^\.{0,2}/" ; then
 		if [ -e $1 ]; then
 			INPUTLIST=$(cat $1 | tr "\n" " ")
 		else