diff --git a/pio-scripts/load_usermods.py b/pio-scripts/load_usermods.py
index 146cb1f87..38a08401e 100644
--- a/pio-scripts/load_usermods.py
+++ b/pio-scripts/load_usermods.py
@@ -77,17 +77,18 @@ def wrapped_ConfigureProjectLibBuilder(xenv):
   for dep in result.depbuilders:
      cached_add_includes(dep, processed_deps, extra_include_dirs)
 
+  wled_deps = [dep for dep in result.depbuilders if is_wled_module(dep)]
+
   broken_usermods = []
-  for dep in result.depbuilders:
-    if is_wled_module(dep):
-      # Add the wled folder to the include path
-      dep.env.PrependUnique(CPPPATH=str(wled_dir))
-      # Add WLED's own dependencies
-      for dir in extra_include_dirs:
-        dep.env.PrependUnique(CPPPATH=str(dir))
-      # Enforce that libArchive is not set; we must link them directly to the executable
-      if dep.lib_archive:
-        broken_usermods.append(dep)
+  for dep in wled_deps:
+    # Add the wled folder to the include path
+    dep.env.PrependUnique(CPPPATH=str(wled_dir))
+    # Add WLED's own dependencies
+    for dir in extra_include_dirs:
+      dep.env.PrependUnique(CPPPATH=str(dir))
+    # Enforce that libArchive is not set; we must link them directly to the executable
+    if dep.lib_archive:
+      broken_usermods.append(dep)
 
   if broken_usermods:
     broken_usermods = [usermod.name for usermod in broken_usermods]
@@ -97,6 +98,9 @@ def wrapped_ConfigureProjectLibBuilder(xenv):
       err=True)
     Exit(1)
 
+  # Save the depbuilders list for later validation
+  xenv.Replace(WLED_MODULES=wled_deps)
+
   return result
 
 # Apply the wrapper
diff --git a/pio-scripts/validate_modules.py b/pio-scripts/validate_modules.py
index f8c9a599d..d63b609ac 100644
--- a/pio-scripts/validate_modules.py
+++ b/pio-scripts/validate_modules.py
@@ -53,20 +53,8 @@ def validate_map_file(source, target, env):
         secho(f"ERROR: Map file not found: {map_file_path}", fg="red", err=True)
         Exit(1)
 
-    # Identify the WLED module source directories
-    module_lib_builders = [builder for builder in env.GetLibBuilders() if is_wled_module(env, builder)]
-
-    if env.GetProjectOption("custom_usermods","") == "*":
-        # All usermods build; filter non-platform-OK modules
-        module_lib_builders = [builder for builder in module_lib_builders if env.IsCompatibleLibBuilder(builder)]
-    else:
-        incompatible_builders = [builder for builder in module_lib_builders if not env.IsCompatibleLibBuilder(builder)]
-        if incompatible_builders:
-            secho(
-                f"ERROR: Modules {[b.name for b in incompatible_builders]} are not compatible with this platform!",
-                fg="red",
-                err=True)
-            Exit(1)
+    # Identify the WLED module builders, set by load_usermods.py
+    module_lib_builders = env['WLED_MODULES']
 
     # Extract the values we care about
     modules = {Path(builder.build_dir).name: builder.name for builder in module_lib_builders}