diff --git a/gen/xyz/openbmc_project/State/Shutdown/Inventory/meson.build b/gen/xyz/openbmc_project/State/Shutdown/Inventory/meson.build
index 969d2c5..82bf5f5 100644
--- a/gen/xyz/openbmc_project/State/Shutdown/Inventory/meson.build
+++ b/gen/xyz/openbmc_project/State/Shutdown/Inventory/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/State/Shutdown/Inventory__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/Inventory.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/Inventory.errors.yaml',  ],
     output: [ 'error.cpp', 'error.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/Inventory',
     ],
 )
diff --git a/gen/xyz/openbmc_project/State/Shutdown/Power/meson.build b/gen/xyz/openbmc_project/State/Shutdown/Power/meson.build
index 345ac91..75d6374 100644
--- a/gen/xyz/openbmc_project/State/Shutdown/Power/meson.build
+++ b/gen/xyz/openbmc_project/State/Shutdown/Power/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/State/Shutdown/Power__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/Power.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/Power.errors.yaml',  ],
     output: [ 'error.cpp', 'error.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/Power',
     ],
 )
diff --git a/gen/xyz/openbmc_project/State/Shutdown/ThermalEvent/meson.build b/gen/xyz/openbmc_project/State/Shutdown/ThermalEvent/meson.build
index 15438e4..502e618 100644
--- a/gen/xyz/openbmc_project/State/Shutdown/ThermalEvent/meson.build
+++ b/gen/xyz/openbmc_project/State/Shutdown/ThermalEvent/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/State/Shutdown/ThermalEvent__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml',  ],
     output: [ 'error.cpp', 'error.hpp',  ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'cpp',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/ThermalEvent',
     ],
 )
diff --git a/gen/xyz/openbmc_project/State/Shutdown/meson.build b/gen/xyz/openbmc_project/State/Shutdown/meson.build
index be8c9d4..8822511 100644
--- a/gen/xyz/openbmc_project/State/Shutdown/meson.build
+++ b/gen/xyz/openbmc_project/State/Shutdown/meson.build
@@ -2,13 +2,13 @@
 subdir('Inventory')
 generated_others += custom_target(
     'xyz/openbmc_project/State/Shutdown/Inventory__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/Inventory.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/Inventory.errors.yaml',  ],
     output: [ 'Inventory.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/Inventory',
     ],
     build_by_default: true,
@@ -17,13 +17,13 @@
 subdir('Power')
 generated_others += custom_target(
     'xyz/openbmc_project/State/Shutdown/Power__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/Power.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/Power.errors.yaml',  ],
     output: [ 'Power.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/Power',
     ],
     build_by_default: true,
@@ -32,13 +32,13 @@
 subdir('ThermalEvent')
 generated_others += custom_target(
     'xyz/openbmc_project/State/Shutdown/ThermalEvent__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml',  ],
     output: [ 'ThermalEvent.md' ],
     command: [
         sdbuspp_gen_meson_prog, '--command', 'markdown',
         '--output', meson.current_build_dir(),
         '--tool', sdbusplusplus_prog,
-        '--directory', meson.source_root(),
+        '--directory', meson.project_source_root(),
         'xyz/openbmc_project/State/Shutdown/ThermalEvent',
     ],
     build_by_default: true,