diff --git a/tools/stringtable_validator.py b/tools/stringtable_validator.py
index bde27a6..ad61b9a 100644
--- a/tools/stringtable_validator.py
+++ b/tools/stringtable_validator.py
@@ -57,9 +57,10 @@ def check_stringtable(filepath):
 
         if package_name.lower() != component_folder_name:
             # TODO: Check if it might be subaddon
-            subcomponent_folder_name = os.path.join(os.path.dirname(os.path.dirname(filepath)), component_folder_name)
-            if package_name.lower() != subcomponent_folder_name:
-                print("  ERROR: Package name attribute '{}' does not match any of component folder name '{}' and subcomponent '{}'.".format(package_name, component_folder_name, subcomponent_folder_name))
+            parent_component_folder_name = os.path.basename(os.path.dirname(os.path.dirname(filepath)))
+            subcomponent_name = f"{parent_component_folder_name}_{component_folder_name}"
+            if package_name.lower() != subcomponent_name:
+                print("  ERROR: Package name attribute '{}' does not match any of component folder name '{}' and subcomponent '{}'.".format(package_name, component_folder_name, subcomponent_name))
                 errors += 1
 
         # Get all keys contained in the stringtable