diff --git a/gen/com/ibm/Dump/Create/meson.build b/gen/com/ibm/Dump/Create/meson.build
index 94158ae..f36c5e8 100644
--- a/gen/com/ibm/Dump/Create/meson.build
+++ b/gen/com/ibm/Dump/Create/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'com/ibm/Dump/Create__cpp'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Create.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Create.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(),
         'com/ibm/Dump/Create',
     ],
 )
diff --git a/gen/com/ibm/Dump/Entry/Hostboot/meson.build b/gen/com/ibm/Dump/Entry/Hostboot/meson.build
index 8d10a84..1955bd6 100644
--- a/gen/com/ibm/Dump/Entry/Hostboot/meson.build
+++ b/gen/com/ibm/Dump/Entry/Hostboot/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'com/ibm/Dump/Entry/Hostboot__cpp'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Entry/Hostboot.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Entry/Hostboot.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(),
         'com/ibm/Dump/Entry/Hostboot',
     ],
 )
diff --git a/gen/com/ibm/Dump/Entry/Resource/meson.build b/gen/com/ibm/Dump/Entry/Resource/meson.build
index f815342..be32606 100644
--- a/gen/com/ibm/Dump/Entry/Resource/meson.build
+++ b/gen/com/ibm/Dump/Entry/Resource/meson.build
@@ -1,13 +1,13 @@
 # Generated file; do not modify.
 generated_sources += custom_target(
     'com/ibm/Dump/Entry/Resource__cpp'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Entry/Resource.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Entry/Resource.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(),
         'com/ibm/Dump/Entry/Resource',
     ],
 )
diff --git a/gen/com/ibm/Dump/Entry/meson.build b/gen/com/ibm/Dump/Entry/meson.build
index 0b7b658..2703737 100644
--- a/gen/com/ibm/Dump/Entry/meson.build
+++ b/gen/com/ibm/Dump/Entry/meson.build
@@ -2,13 +2,13 @@
 subdir('Hostboot')
 generated_others += custom_target(
     'com/ibm/Dump/Entry/Hostboot__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Entry/Hostboot.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Entry/Hostboot.interface.yaml',  ],
     output: [ 'Hostboot.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(),
         'com/ibm/Dump/Entry/Hostboot',
     ],
     build_by_default: true,
@@ -17,13 +17,13 @@
 subdir('Resource')
 generated_others += custom_target(
     'com/ibm/Dump/Entry/Resource__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Entry/Resource.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Entry/Resource.interface.yaml',  ],
     output: [ 'Resource.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(),
         'com/ibm/Dump/Entry/Resource',
     ],
     build_by_default: true,
diff --git a/gen/com/ibm/Dump/meson.build b/gen/com/ibm/Dump/meson.build
index 685355e..8616d97 100644
--- a/gen/com/ibm/Dump/meson.build
+++ b/gen/com/ibm/Dump/meson.build
@@ -2,13 +2,13 @@
 subdir('Create')
 generated_others += custom_target(
     'com/ibm/Dump/Create__markdown'.underscorify(),
-    input: [ meson.source_root() / 'com/ibm/Dump/Create.interface.yaml',  ],
+    input: [ meson.project_source_root() / 'com/ibm/Dump/Create.interface.yaml',  ],
     output: [ 'Create.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(),
         'com/ibm/Dump/Create',
     ],
     build_by_default: true,