diff --git a/gen/xyz/openbmc_project/Time/EpochTime/meson.build b/gen/xyz/openbmc_project/Time/EpochTime/meson.build
index d6895da..d2a073b 100644
--- a/gen/xyz/openbmc_project/Time/EpochTime/meson.build
+++ b/gen/xyz/openbmc_project/Time/EpochTime/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Time/EpochTime__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Time/EpochTime.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Time/EpochTime.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/Time/EpochTime',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Time/Synchronization/meson.build b/gen/xyz/openbmc_project/Time/Synchronization/meson.build
index f3f5658..98d2623 100644
--- a/gen/xyz/openbmc_project/Time/Synchronization/meson.build
+++ b/gen/xyz/openbmc_project/Time/Synchronization/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Time/Synchronization__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Time/Synchronization.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Time/Synchronization.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/Time/Synchronization',
     ],
 )
diff --git a/gen/xyz/openbmc_project/Time/meson.build b/gen/xyz/openbmc_project/Time/meson.build
index 54d1cf6..4db94d0 100644
--- a/gen/xyz/openbmc_project/Time/meson.build
+++ b/gen/xyz/openbmc_project/Time/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'xyz/openbmc_project/Time__cpp'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Time.errors.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Time.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/Time',
     ],
 )
@@ -15,13 +15,13 @@
 subdir('EpochTime')
 generated_others += custom_target(
     'xyz/openbmc_project/Time/EpochTime__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Time/EpochTime.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Time/EpochTime.interface.yaml',  ],
     output: [ 'EpochTime.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/Time/EpochTime',
     ],
     build_by_default: true,
@@ -30,13 +30,13 @@
 subdir('Synchronization')
 generated_others += custom_target(
     'xyz/openbmc_project/Time/Synchronization__markdown'.underscorify(),
-    input: [ meson.source_root() / 'xyz/openbmc_project/Time/Synchronization.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'xyz/openbmc_project/Time/Synchronization.interface.yaml',  ],
     output: [ 'Synchronization.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/Time/Synchronization',
     ],
     build_by_default: true,