diff --git a/example/gen/meson.build b/example/gen/meson.build
index ef27aee..f2ecd59 100644
--- a/example/gen/meson.build
+++ b/example/gen/meson.build
@@ -3,13 +3,15 @@
     sdbuspp_gen_meson_prog,
     '--version',
     check: true,
-).stdout().strip().split('\n')[0]
+).stdout().strip().split(
+    '\n',
+)[0]
 
 if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 10'
     warning('Generated meson files from wrong version of sdbus++-gen-meson.')
     warning(
         'Expected "sdbus++-gen-meson version 10", got:',
-        sdbuspp_gen_meson_ver
+        sdbuspp_gen_meson_ver,
     )
 endif
 
diff --git a/example/gen/net/poettering/Calculator/meson.build b/example/gen/net/poettering/Calculator/meson.build
index 82496e4..055b8c2 100644
--- a/example/gen/net/poettering/Calculator/meson.build
+++ b/example/gen/net/poettering/Calculator/meson.build
@@ -19,10 +19,15 @@
     ],
     depend_files: sdbusplusplus_depfiles,
     command: [
-        sdbuspp_gen_meson_prog, '--command', 'cpp',
-        '--output', meson.current_build_dir(),
-        '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../../yaml',
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'cpp',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../../yaml',
         'net/poettering/Calculator',
     ],
     install: should_generate_cpp,
diff --git a/example/gen/net/poettering/meson.build b/example/gen/net/poettering/meson.build
index 149b068..a8e7998 100644
--- a/example/gen/net/poettering/meson.build
+++ b/example/gen/net/poettering/meson.build
@@ -5,14 +5,22 @@
 
 generated_markdown += custom_target(
     'net/poettering/Calculator__markdown'.underscorify(),
-    input: [ '../../../yaml/net/poettering/Calculator.events.yaml', '../../../yaml/net/poettering/Calculator.interface.yaml',  ],
-    output: [ 'Calculator.md' ],
+    input: [
+        '../../../yaml/net/poettering/Calculator.events.yaml',
+        '../../../yaml/net/poettering/Calculator.interface.yaml',
+    ],
+    output: ['Calculator.md'],
     depend_files: sdbusplusplus_depfiles,
     command: [
-        sdbuspp_gen_meson_prog, '--command', 'markdown',
-        '--output', meson.current_build_dir(),
-        '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../yaml',
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'markdown',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../yaml',
         'net/poettering/Calculator',
     ],
     install: should_generate_markdown,
@@ -22,14 +30,19 @@
 
 generated_registry += custom_target(
     'net/poettering/Calculator__registry'.underscorify(),
-    input: [ '../../../yaml/net/poettering/Calculator.events.yaml',  ],
-    output: [ 'Calculator.json' ],
+    input: ['../../../yaml/net/poettering/Calculator.events.yaml'],
+    output: ['Calculator.json'],
     depend_files: sdbusplusplus_depfiles,
     command: [
-        sdbuspp_gen_meson_prog, '--command', 'registry',
-        '--output', meson.current_build_dir(),
-        '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../yaml',
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'registry',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../yaml',
         'net/poettering/Calculator',
     ],
     install: should_generate_registry,
diff --git a/example/gen/regenerate-meson b/example/gen/regenerate-meson
index 235d551..857729c 100755
--- a/example/gen/regenerate-meson
+++ b/example/gen/regenerate-meson
@@ -1,4 +1,5 @@
 #!/bin/bash
 cd "$(dirname "$0")" || exit
 export PATH="${PWD}/../../tools:${PATH}"
-exec sdbus++-gen-meson --command meson --directory ../yaml --output .
+sdbus++-gen-meson --command meson --directory ../yaml --output .
+find . -name "meson.build" -exec meson format -i {} +
diff --git a/test/gen/meson.build b/test/gen/meson.build
index ef27aee..f2ecd59 100644
--- a/test/gen/meson.build
+++ b/test/gen/meson.build
@@ -3,13 +3,15 @@
     sdbuspp_gen_meson_prog,
     '--version',
     check: true,
-).stdout().strip().split('\n')[0]
+).stdout().strip().split(
+    '\n',
+)[0]
 
 if sdbuspp_gen_meson_ver != 'sdbus++-gen-meson version 10'
     warning('Generated meson files from wrong version of sdbus++-gen-meson.')
     warning(
         'Expected "sdbus++-gen-meson version 10", got:',
-        sdbuspp_gen_meson_ver
+        sdbuspp_gen_meson_ver,
     )
 endif
 
diff --git a/test/gen/regenerate-meson b/test/gen/regenerate-meson
index 235d551..857729c 100755
--- a/test/gen/regenerate-meson
+++ b/test/gen/regenerate-meson
@@ -1,4 +1,5 @@
 #!/bin/bash
 cd "$(dirname "$0")" || exit
 export PATH="${PWD}/../../tools:${PATH}"
-exec sdbus++-gen-meson --command meson --directory ../yaml --output .
+sdbus++-gen-meson --command meson --directory ../yaml --output .
+find . -name "meson.build" -exec meson format -i {} +
diff --git a/test/gen/server/Test/meson.build b/test/gen/server/Test/meson.build
index 53b0820..abeedbf 100644
--- a/test/gen/server/Test/meson.build
+++ b/test/gen/server/Test/meson.build
@@ -4,9 +4,7 @@
 
 generated_sources += custom_target(
     'server/Test__cpp'.underscorify(),
-    input: [
-        '../../../yaml/server/Test.interface.yaml',
-    ],
+    input: ['../../../yaml/server/Test.interface.yaml'],
     output: [
         'common.hpp',
         'server.hpp',
@@ -16,10 +14,15 @@
     ],
     depend_files: sdbusplusplus_depfiles,
     command: [
-        sdbuspp_gen_meson_prog, '--command', 'cpp',
-        '--output', meson.current_build_dir(),
-        '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../../yaml',
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'cpp',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../../yaml',
         'server/Test',
     ],
     install: should_generate_cpp,
diff --git a/test/gen/server/meson.build b/test/gen/server/meson.build
index 20a77bf..34c9b4b 100644
--- a/test/gen/server/meson.build
+++ b/test/gen/server/meson.build
@@ -5,14 +5,19 @@
 
 generated_markdown += custom_target(
     'server/Test__markdown'.underscorify(),
-    input: [ '../../yaml/server/Test.interface.yaml',  ],
-    output: [ 'Test.md' ],
+    input: ['../../yaml/server/Test.interface.yaml'],
+    output: ['Test.md'],
     depend_files: sdbusplusplus_depfiles,
     command: [
-        sdbuspp_gen_meson_prog, '--command', 'markdown',
-        '--output', meson.current_build_dir(),
-        '--tool', sdbusplusplus_prog,
-        '--directory', meson.current_source_dir() / '../../yaml',
+        sdbuspp_gen_meson_prog,
+        '--command',
+        'markdown',
+        '--output',
+        meson.current_build_dir(),
+        '--tool',
+        sdbusplusplus_prog,
+        '--directory',
+        meson.current_source_dir() / '../../yaml',
         'server/Test',
     ],
     install: should_generate_markdown,