diff --git a/README.md b/README.md
index 95d2a18..40227cc 100644
--- a/README.md
+++ b/README.md
@@ -13,16 +13,16 @@ Dependencies: python, dnspython, Matrix account
 Usage: Run as a daemon, `/usr/local/bin/availability-monitor.py <interval-sec>`
 
 ## dnf-search-install.py
-Wrapper, marks already installed packages for `dnf search`. Slow.
+Wrapper, marks already installed packages for `dnf search`.
 
 Status: active use
 
-Dependencies: dnf, python
+Dependencies: dnf5, python3
 
 Setup:
 ```bash
 sudo cp ./dnf-search-installed.py /usr/local/bin/.
-alias -s dnf '/usr/local/bin/dnf-search-installed.py'
+alias --save dnf '/usr/local/bin/dnf-search-installed.py'
 ```
 Usage: `dnf search <package>`
 
diff --git a/dnf-search-installed.py b/dnf-search-installed.py
index 476e30f..031ddfa 100644
--- a/dnf-search-installed.py
+++ b/dnf-search-installed.py
@@ -1,47 +1,51 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
-import dnf
-import subprocess
 import os
 import re
+import subprocess
 import sys
 
-from typing import Set
+import dnf
 
-DNF = 'dnf'
+DNF = '/bin/dnf5'
 
-def get_installed() -> Set[str]:
+
+def get_installed() -> set[str]:
 	base = dnf.Base()
 	base.fill_sack()
 	q = base.sack.query()
 	return {f'{p.name}.{p.arch}' for p in q.installed()}
 
-def colorize_g_fg(s: str) -> str:
+
+def colorize_green_fg(s: str) -> str:
 	return f'\x1b[32m{s}\033[0m'
 
+
 if sys.argv[1] != 'search':
 	os.execvp(DNF, sys.argv[1:])
 	sys.exit(0)
 
 # call CLI to get all the formatting and highlighting for free
 res = subprocess.run(
-	[DNF, '--color=always'] + sys.argv[1:],
+	# todo: add --color=always https://github.com/rpm-software-management/dnf5/issues/839
+	[DNF, *sys.argv[1:]],
 	capture_output=True,
 	encoding='utf-8',
-	)
+	check=False,
+)
 lines = res.stdout.split('\n')
 installed = get_installed()
-printlines = ''
+printlines = []
 # matching bold, magenta and normal codes from
 # https://github.com/rpm-software-management/dnf/blob/master/dnf/cli/term.py
 dnf_color = re.compile(r'\x1b\[35m|\x1b\[1m|\x1b\(B\x1b\[m')
-i = colorize_g_fg('*')
+i = colorize_green_fg('*')
 for line in lines:
-	if not line or line.startswith('='):
-		printlines += (line + '\n')
+	if not line or not line.startswith(' '):
+		printlines.append(line)
 		continue
-	(package, _) = line.split(' : ', maxsplit=1)
-	package = dnf_color.sub('', package.rstrip())
+	(package, _) = line.split(':', maxsplit=1)
+	package = dnf_color.sub('', package.lstrip())
 	indicator = i if package in installed else ' '
-	printlines += f'{indicator} {line}\n'
-print(printlines, end='')
+	printlines.append(f'{indicator} {line[1:]}')  # [:1] to strip ' '
+print('\n'.join(printlines))