diff --git a/gen/xyz/openbmc_project/State/Decorator/Availability/meson.build b/gen/xyz/openbmc_project/State/Decorator/Availability/meson.build
index 9592865..6e71c68 100644
--- a/gen/xyz/openbmc_project/State/Decorator/Availability/meson.build
+++ b/gen/xyz/openbmc_project/State/Decorator/Availability/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/State/Decorator/Availability__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Decorator/Availability.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Decorator/Availability.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.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/Decorator/Availability',
     ],
 )
diff --git a/gen/xyz/openbmc_project/State/Decorator/OperationalStatus/meson.build b/gen/xyz/openbmc_project/State/Decorator/OperationalStatus/meson.build
index 0d9fce3..f2d6ad4 100644
--- a/gen/xyz/openbmc_project/State/Decorator/OperationalStatus/meson.build
+++ b/gen/xyz/openbmc_project/State/Decorator/OperationalStatus/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/State/Decorator/OperationalStatus__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Decorator/OperationalStatus.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Decorator/OperationalStatus.interface.yaml',  ],
     output: [ 'server.cpp', 'server.hpp', 'client.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/Decorator/OperationalStatus',
     ],
 )
diff --git a/gen/xyz/openbmc_project/State/Decorator/meson.build b/gen/xyz/openbmc_project/State/Decorator/meson.build
index 5c76f88..b2200b6 100644
--- a/gen/xyz/openbmc_project/State/Decorator/meson.build
+++ b/gen/xyz/openbmc_project/State/Decorator/meson.build
@@ -2,13 +2,13 @@
 subdir('Availability')
 generated_others += custom_target(
     'xyz/openbmc_project/State/Decorator/Availability__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Decorator/Availability.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Decorator/Availability.interface.yaml',  ],
     output: [ 'Availability.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/Decorator/Availability',
     ],
     build_by_default: true,
@@ -17,13 +17,13 @@
 subdir('OperationalStatus')
 generated_others += custom_target(
     'xyz/openbmc_project/State/Decorator/OperationalStatus__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/State/Decorator/OperationalStatus.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/State/Decorator/OperationalStatus.interface.yaml',  ],
     output: [ 'OperationalStatus.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/Decorator/OperationalStatus',
     ],
     build_by_default: true,