diff --git a/lib/libimhex/include/hex/api/plugin_manager.hpp b/lib/libimhex/include/hex/api/plugin_manager.hpp
index f315ed95e..20a390156 100644
--- a/lib/libimhex/include/hex/api/plugin_manager.hpp
+++ b/lib/libimhex/include/hex/api/plugin_manager.hpp
@@ -48,6 +48,9 @@ namespace hex {
         Plugin(Plugin &&other) noexcept;
         ~Plugin();
 
+        Plugin& operator=(const Plugin &) = delete;
+        Plugin& operator=(Plugin &&other) noexcept;
+
         [[nodiscard]] bool initializePlugin() const;
         [[nodiscard]] std::string getPluginName() const;
         [[nodiscard]] std::string getPluginAuthor() const;
@@ -58,6 +61,7 @@ namespace hex {
 
         [[nodiscard]] const std::fs::path &getPath() const;
 
+        [[nodiscard]] bool isValid() const;
         [[nodiscard]] bool isLoaded() const;
 
         [[nodiscard]] std::span<SubCommand> getSubCommands() const;
diff --git a/lib/libimhex/source/api/plugin_manager.cpp b/lib/libimhex/source/api/plugin_manager.cpp
index d85783817..fb915f195 100644
--- a/lib/libimhex/source/api/plugin_manager.cpp
+++ b/lib/libimhex/source/api/plugin_manager.cpp
@@ -58,13 +58,25 @@ namespace hex {
         other.m_handle = 0;
 
         m_libraryPlugin = other.m_libraryPlugin;
-
-        m_path   = std::move(other.m_path);
+        m_path = std::move(other.m_path);
 
         m_functions = other.m_functions;
         other.m_functions = {};
     }
 
+    Plugin& Plugin::operator=(Plugin &&other) noexcept {
+        m_handle = other.m_handle;
+        other.m_handle = 0;
+
+        m_libraryPlugin = other.m_libraryPlugin;
+        m_path = std::move(other.m_path);
+
+        m_functions = other.m_functions;
+        other.m_functions = {};
+
+        return *this;
+    }
+
     Plugin::~Plugin() {
         #if defined(OS_WINDOWS)
             if (m_handle != 0)
@@ -164,6 +176,10 @@ namespace hex {
         return m_path;
     }
 
+    bool Plugin::isValid() const {
+        return m_handle != 0;
+    }
+
     bool Plugin::isLoaded() const {
         return m_initialized;
     }
@@ -203,6 +219,10 @@ namespace hex {
                 getPlugins().emplace_back(pluginPath.path(), false);
         }
 
+        std::erase_if(getPlugins(), [](const Plugin &plugin) {
+            return !plugin.isValid();
+        });
+
         if (getPlugins().empty())
             return false;