diff --git a/libs/gfx/include/psemek/gfx/buffer.hpp b/libs/gfx/include/psemek/gfx/buffer.hpp
index f71e564b..3772fcc2 100644
--- a/libs/gfx/include/psemek/gfx/buffer.hpp
+++ b/libs/gfx/include/psemek/gfx/buffer.hpp
@@ -55,13 +55,13 @@ namespace psemek::gfx
 		}
 
 		template <typename T>
-		std::shared_ptr<T> map()
+		std::shared_ptr<T[]> map()
 		{
 			if (auto p = mapped_.lock())
-				return std::static_pointer_cast<T>(p);
+				return std::static_pointer_cast<T[]>(p);
 
 			bind();
-			std::shared_ptr<T> p(reinterpret_cast<T *>(gl::MapBuffer(gl::ARRAY_BUFFER, gl::WRITE_ONLY)), [this](T *){
+			std::shared_ptr<T[]> p(reinterpret_cast<T *>(gl::MapBuffer(gl::ARRAY_BUFFER, gl::WRITE_ONLY)), [this](T *){
 				bind();
 				gl::UnmapBuffer(gl::ARRAY_BUFFER);
 			});