diff --git a/tools/legacy/build_plugin_2501_vs2022.py b/tools/legacy/build_plugin_2501_vs2022.py
index d44e9cb..c6c2a22 100644
--- a/tools/legacy/build_plugin_2501_vs2022.py
+++ b/tools/legacy/build_plugin_2501_vs2022.py
@@ -182,7 +182,7 @@ def get_project_paths() -> Tuple[Path, Path, Path]:
     script_dir = Path(__file__).parent.resolve()
     
     # Project directory containing 7-Zip 25.01 sources
-    project_dir = script_dir.parent.parent / 'versions' / '25.01'
+    project_dir = script_dir.parent.parent / 'versions' / '25.01-bundle'
     
     # Project file path
     project_file = project_dir / 'CPP' / '7zip' / 'Bundles' / 'Nsis7z' / 'Nsis7z.vcxproj'
diff --git a/tools/legacy/build_plugin_2501_vs2026.py b/tools/legacy/build_plugin_2501_vs2026.py
index 1e5b8c8..1bf8916 100644
--- a/tools/legacy/build_plugin_2501_vs2026.py
+++ b/tools/legacy/build_plugin_2501_vs2026.py
@@ -200,7 +200,7 @@ def find_msbuild(vs_version: str = 'auto') -> 'Optional[Tuple[Path, str, str]]':
 def get_project_paths() -> Tuple[Path, Path, Path]:
     """Get project directory, project file, and plugins directory"""
     script_dir = Path(__file__).parent.absolute()
-    project_dir = script_dir.parent.parent / 'versions' / '25.01'
+    project_dir = script_dir.parent.parent / 'versions' / '25.01-bundle'
     project_file = project_dir / 'CPP' / '7zip' / 'Bundles' / 'Nsis7z' / 'Nsis7z_vs2026.vcxproj'
     plugins_dir = script_dir.parent.parent / 'plugins'
     
diff --git a/tools/linux/build_plugin_linux.py b/tools/linux/build_plugin_linux.py
index 73b1f90..b9682ba 100644
--- a/tools/linux/build_plugin_linux.py
+++ b/tools/linux/build_plugin_linux.py
@@ -24,12 +24,7 @@ BUILD_DIR = ROOT / "_linux_build"
 
 SUPPORTED = {"25.01", "26.00", "26.01", "zstd"}
 
-# For 25.01 the vendor bundle dir already contains our wrapper .cpp files
-# alongside the upstream 7-zip sources.  make is run with -C pointing there so
-# relative paths (../../UI/…) resolve correctly, but the makefile itself comes
-# from OVERLAY and the output objects go to BUILD_DIR.
-#
-# For 26.00, 26.01: the upstream vendor does NOT ship a Nsis7z bundle, so a
+# For all versions the upstream vendor does NOT ship a Nsis7z bundle, so a
 # *-bundle wrapper directory mirrors the vendor tree via symlinks and provides
 # project-owned sources (NSIS UI, wrapper cpp files, vcxproj).
 #
@@ -40,7 +35,7 @@ SUPPORTED = {"25.01", "26.00", "26.01", "zstd"}
 VERSION_LAYOUT = {
     "25.01": {
         "vendor_7zip": ROOT / "versions" / "25.01" / "CPP" / "7zip",
-        "bundle_dir":  ROOT / "versions" / "25.01" / "CPP" / "7zip" / "Bundles" / "Nsis7z",
+        "bundle_dir":  ROOT / "versions" / "25.01-bundle" / "CPP" / "7zip" / "Bundles" / "Nsis7z",
     },
     "26.00": {
         "vendor_7zip": ROOT / "versions" / "26.00" / "CPP" / "7zip",