diff --git a/wo/cli/plugins/clean.py b/wo/cli/plugins/clean.py
index 3c00862..ceb1f21 100644
--- a/wo/cli/plugins/clean.py
+++ b/wo/cli/plugins/clean.py
@@ -92,4 +92,4 @@ def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
     app.handler.register(WOCleanController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_clean_hook)
+    app.hook.register('post_argument_parsing', wo_clean_hook)
diff --git a/wo/cli/plugins/debug.py b/wo/cli/plugins/debug.py
index 9d0b5f4..51744ee 100644
--- a/wo/cli/plugins/debug.py
+++ b/wo/cli/plugins/debug.py
@@ -849,4 +849,4 @@ def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
     app.handler.register(WODebugController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_debug_hook)
+    app.hook.register('post_argument_parsing', wo_debug_hook)
diff --git a/wo/cli/plugins/import_slow_log.py b/wo/cli/plugins/import_slow_log.py
index 63a1896..570b59a 100644
--- a/wo/cli/plugins/import_slow_log.py
+++ b/wo/cli/plugins/import_slow_log.py
@@ -29,4 +29,4 @@ def load(app):
     app.handler.register(WOImportslowlogController)
 
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_import_slow_log_hook)
+    app.hook.register('post_argument_parsing', wo_import_slow_log_hook)
diff --git a/wo/cli/plugins/info.py b/wo/cli/plugins/info.py
index 764a1e2..87d22c0 100644
--- a/wo/cli/plugins/info.py
+++ b/wo/cli/plugins/info.py
@@ -295,4 +295,4 @@ def load(app):
     app.handler.register(WOInfoController)
 
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_info_hook)
+    app.hook.register('post_argument_parsing', wo_info_hook)
diff --git a/wo/cli/plugins/log.py b/wo/cli/plugins/log.py
index 8035eb7..8c6ee23 100644
--- a/wo/cli/plugins/log.py
+++ b/wo/cli/plugins/log.py
@@ -577,4 +577,4 @@ def load(app):
     app.handler.register(WOLogGzipController)
     app.handler.register(WOLogMailController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_log_hook)
+    app.hook.register('post_argument_parsing', wo_log_hook)
diff --git a/wo/cli/plugins/maintenance.py b/wo/cli/plugins/maintenance.py
index 1a62fe0..9444fc4 100644
--- a/wo/cli/plugins/maintenance.py
+++ b/wo/cli/plugins/maintenance.py
@@ -42,4 +42,4 @@ def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
     app.handler.register(WOMaintenanceController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_maintenance_hook)
+    app.hook.register('post_argument_parsing', wo_maintenance_hook)
diff --git a/wo/cli/plugins/secure.py b/wo/cli/plugins/secure.py
index 6f41ed1..470fcb6 100644
--- a/wo/cli/plugins/secure.py
+++ b/wo/cli/plugins/secure.py
@@ -221,4 +221,4 @@ class WOSecureController(CementBaseController):
 
 def load(app):
     app.handler.register(WOSecureController)
-    hook.register('post_argument_parsing', wo_secure_hook)
+    app.hook.register('post_argument_parsing', wo_secure_hook)
diff --git a/wo/cli/plugins/site.py b/wo/cli/plugins/site.py
index 912207a..36044a1 100644
--- a/wo/cli/plugins/site.py
+++ b/wo/cli/plugins/site.py
@@ -2056,4 +2056,4 @@ def load(app):
     app.handler.register(WOSiteListController)
     app.handler.register(WOSiteEditController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_site_hook)
+    app.hook.register('post_argument_parsing', wo_site_hook)
diff --git a/wo/cli/plugins/stack.py b/wo/cli/plugins/stack.py
index dff3623..32eab17 100644
--- a/wo/cli/plugins/stack.py
+++ b/wo/cli/plugins/stack.py
@@ -1003,4 +1003,4 @@ def load(app):
     app.handler.register(WOStackUpgradeController)
 
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_stack_hook)
+    app.hook.register('post_argument_parsing', wo_stack_hook)
diff --git a/wo/cli/plugins/sync.py b/wo/cli/plugins/sync.py
index 287a05d..209003b 100644
--- a/wo/cli/plugins/sync.py
+++ b/wo/cli/plugins/sync.py
@@ -96,4 +96,4 @@ def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
     app.handler.register(WOSyncController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_sync_hook)
+    app.hook.register('post_argument_parsing', wo_sync_hook)
diff --git a/wo/cli/plugins/update.py b/wo/cli/plugins/update.py
index 119f499..6ef7fb8 100644
--- a/wo/cli/plugins/update.py
+++ b/wo/cli/plugins/update.py
@@ -80,4 +80,4 @@ def load(app):
     # register the plugin class.. this only happens if the plugin is enabled
     app.handler.register(WOUpdateController)
     # register a hook (function) to run after arguments are parsed.
-    hook.register('post_argument_parsing', wo_update_hook)
+    app.hook.register('post_argument_parsing', wo_update_hook)