diff --git a/debian/ngcp-rtpengine-recording-daemon.init b/debian/ngcp-rtpengine-recording-daemon.init
index b584cdde3..6dc08318e 100755
--- a/debian/ngcp-rtpengine-recording-daemon.init
+++ b/debian/ngcp-rtpengine-recording-daemon.init
@@ -96,7 +96,7 @@ case "$1" in
 	log_daemon_msg "Starting $DESC: $NAME"
 
 	if [ "$MUST_NFS" = yes ]; then
-		if ! egrep -q '^[^ :]+:[^ :]+ '"$NFS_LOCAL_MOUNT"' nfs.? ' /proc/mounts; then
+		if ! grep -E -q '^[^ :]+:[^ :]+ '"$NFS_LOCAL_MOUNT"' nfs.? ' /proc/mounts; then
 			log_progress_msg "Mounting NFS share"
 			test -d "$NFS_LOCAL_MOUNT" || mkdir -p "$NFS_LOCAL_MOUNT"
 			mount -t nfs -o "$NFS_OPTIONS" "$NFS_HOST":"$NFS_REMOTE_PATH" "$NFS_LOCAL_MOUNT"