diff --git a/src/dxvk/dxvk_extensions.cpp b/src/dxvk/dxvk_extensions.cpp
index e1fd22e13..6d57c05ff 100644
--- a/src/dxvk/dxvk_extensions.cpp
+++ b/src/dxvk/dxvk_extensions.cpp
@@ -8,7 +8,7 @@ namespace dxvk {
   
   void DxvkExtensionList::enableExtensions(const vk::NameSet& extensions) {
     for (auto ext : m_extensions) {
-      if (extensions.supports(ext->name()))
+      if (extensions.contains(ext->name()))
         ext->setEnabled(true);
     }
   }
diff --git a/src/dxvk/dxvk_instance.cpp b/src/dxvk/dxvk_instance.cpp
index e4c0df357..5a817e2e4 100644
--- a/src/dxvk/dxvk_instance.cpp
+++ b/src/dxvk/dxvk_instance.cpp
@@ -85,7 +85,7 @@ namespace dxvk {
     
     vk::NameList layersEnabled;
     for (auto l : layers) {
-      if (layersAvailable.supports(l))
+      if (layersAvailable.contains(l))
         layersEnabled.add(l);
       else
         throw DxvkError(str::format("Requested layer not installed: ", l));
@@ -107,12 +107,12 @@ namespace dxvk {
     vk::NameList extensionsEnabled;
     
     for (auto e : extOptional) {
-      if (extensionsAvailable.supports(e))
+      if (extensionsAvailable.contains(e))
         extensionsEnabled.add(e);
     }
     
     for (auto e : extRequired) {
-      if (!extensionsAvailable.supports(e))
+      if (!extensionsAvailable.contains(e))
         throw DxvkError(str::format("DxvkInstance::getExtensions: Extension ", e, " not supported"));
       extensionsEnabled.add(e);
     }
diff --git a/src/dxvk/vulkan/dxvk_vulkan_extensions.cpp b/src/dxvk/vulkan/dxvk_vulkan_extensions.cpp
index 0b596cc89..6f7183ff6 100644
--- a/src/dxvk/vulkan/dxvk_vulkan_extensions.cpp
+++ b/src/dxvk/vulkan/dxvk_vulkan_extensions.cpp
@@ -2,7 +2,12 @@
 
 namespace dxvk::vk {
   
-  bool NameSet::supports(const char* name) const {
+  void NameSet::add(const std::string& name) {
+    m_names.insert(name);
+  }
+  
+  
+  bool NameSet::contains(const std::string& name) const {
     return m_names.find(name) != m_names.end();
   }
   
@@ -48,7 +53,7 @@ namespace dxvk::vk {
     
     NameSet result;
     for (const auto& ext : extensions)
-      result.m_names.insert(ext.extensionName);
+      result.add(ext.extensionName);
     return result;
   }
   
@@ -65,7 +70,7 @@ namespace dxvk::vk {
       throw DxvkError("ExtensionSet::addInstanceExtensions: Failed to query instance extensions");
     
     for (const auto& ext : extensions)
-      m_names.insert(ext.extensionName);
+      this->add(ext.extensionName);
   }
   
 }
diff --git a/src/dxvk/vulkan/dxvk_vulkan_extensions.h b/src/dxvk/vulkan/dxvk_vulkan_extensions.h
index c8ae48ffb..6708b86df 100644
--- a/src/dxvk/vulkan/dxvk_vulkan_extensions.h
+++ b/src/dxvk/vulkan/dxvk_vulkan_extensions.h
@@ -51,13 +51,19 @@ namespace dxvk::vk {
     
   public:
     
+    /**
+     * \brief Adds an extension to the set
+     * \param [in] name The extension to add
+     */
+    void add(const std::string& name);
+    
     /**
      * \brief Checks whether an extension or layer is supported
      * 
      * \param [in] name The layer or extension name
      * \returns \c true if the entity is supported
      */
-    bool supports(const char* name) const;
+    bool contains(const std::string& name) const;
     
     /**
      * \brief Enumerates instance layers