diff --git a/poezio/plugin_manager.py b/poezio/plugin_manager.py
index c44a8ecc..874d0dc9 100644
--- a/poezio/plugin_manager.py
+++ b/poezio/plugin_manager.py
@@ -158,13 +158,14 @@ class PluginManager:
 
         if name in self.plugins:
             try:
-                self.plugins[name]._unloading = True  # Prevents loops
-                for rdep in self.rdeps[name].copy():
-                    if rdep in self.plugins and not self.plugins[rdep]._unloading:
-                        self.unload(rdep)
-                        if rdep in self.plugins:
-                            log.debug('Failed to unload reverse dependency %s first.', rdep)
-                            return None
+                if self.plugins[name] is not None:
+                    self.plugins[name]._unloading = True  # Prevents loops
+                    for rdep in self.rdeps[name].copy():
+                        if rdep in self.plugins and not self.plugins[rdep]._unloading:
+                            self.unload(rdep)
+                            if rdep in self.plugins:
+                                log.debug('Failed to unload reverse dependency %s first.', rdep)
+                                return None
 
                 for command in self.commands[name].keys():
                     del self.core.commands[command]