diff --git a/src/shared/generate-dns_type-gperf.py b/src/shared/generate-dns_type-gperf.py
index 0fd003a802..79d92cb617 100755
--- a/src/shared/generate-dns_type-gperf.py
+++ b/src/shared/generate-dns_type-gperf.py
@@ -1,26 +1,24 @@
 #!/usr/bin/env python3
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-"""Generate %-from-name.gperf from %-list.txt
-"""
+"""Generate %-from-name.gperf from %-list.txt"""
 
 import sys
 
 name, prefix, input = sys.argv[1:]
 
-print("""\
-%{
+print(f'''\
+%{{
 _Pragma("GCC diagnostic ignored \\"-Wimplicit-fallthrough\\"")
 #if __GNUC__ >= 15
 _Pragma("GCC diagnostic ignored \\"-Wzero-as-null-pointer-constant\\"")
 #endif
-%}""")
-print("""\
-struct {}_name {{ const char* name; int id; }};
+%}}
+struct {name}_name {{ const char* name; int id; }};
 %null-strings
-%%""".format(name))
+%%''')
 
 for line in open(input):
     line = line.rstrip()
     s = line.replace('_', '-')
-    print("{}, {}{}".format(s, prefix, line))
+    print(f'{s}, {prefix}{line}')