diff -Nur orig-tracker-3.4.0/src/tracker/bash-completion/tracker tracker-3.4.0/src/tracker/bash-completion/tracker
--- orig-tracker-3.4.0/src/tracker/bash-completion/tracker	2022-09-17 23:23:06.000000000 +0200
+++ tracker-3.4.0/src/tracker/bash-completion/tracker	2022-09-23 15:37:54.149593212 +0200
@@ -8,7 +8,7 @@
     cur=${COMP_WORDS[COMP_CWORD]}
 
     if [[ $cword == 1 ]]; then
-	possible=`tracker3 | egrep "   [a-z].*   " | awk '{ print ($1) }' | sort | uniq`
+	possible=`tracker3 | grep -E "   [a-z].*   " | awk '{ print ($1) }' | sort | uniq`
 	COMPREPLY=( $(compgen -W "$possible" -- $cur) )
 	return 0;
     fi
@@ -37,7 +37,7 @@
     fi
 
     if [[ -z $cur ]] || [[ $cur == -* ]]; then
-	possible=`${words[0]} ${words[1]} -h | egrep "^ *-" | sed "s/^ *//" | sed "s/  [^-].*//" | sed "s/,/\n/g" | sed "s/=.*//"`
+	possible=`${words[0]} ${words[1]} -h | grep -E "^ *-" | sed "s/^ *//" | sed "s/  [^-].*//" | sed "s/,/\n/g" | sed "s/=.*//"`
 	COMPREPLY=( $(compgen -W "$possible" -- $cur) )
     fi
 }