diff --git a/CMakeLists.txt b/CMakeLists.txt
index 061ccb0..0d0dbc1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -85,6 +85,7 @@ endif()
 # Same in every mode: no link-time dependency on libvulkan, all Vulkan
 # functions come from volk (otherwise vk*KHR aliases are undefined at link).
 set(ENGINE_EXTRA_DEFINITIONS
+  GLFW_INCLUDE_NONE
   VK_NO_PROTOTYPES
   VMA_STATIC_VULKAN_FUNCTIONS=0
   VMA_DYNAMIC_VULKAN_FUNCTIONS=1
diff --git a/flake.lock b/flake.lock
index dae6554..4c186ea 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,18 +20,15 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1790689126,
-        "narHash": "sha256-ilerN1WLSvF+HMjziC/Wv99J5y02maDH+6hZPwsORKg=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b4fd65b198c599cbe814fcb9f42d25d021595ec9",
-        "type": "github"
+        "lastModified": 1791366222,
+        "narHash": "sha256-/4ezBOv6aldGab7qTb6ls3SDpgzG8kuuSqEAA9zEZ8E=",
+        "rev": "39ad350a0602fa0a58a544344e3e9187526ea45c",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1087089.39ad350a0602/nixexprs.tar.zst"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "id": "nixpkgs",
+        "type": "indirect"
       }
     },
     "root": {
diff --git a/flake.nix b/flake.nix
index c5ae0b7..3fa78dc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "VulkanEngine development environment";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "nixpkgs";
     flake-utils.url = "github:numtide/flake-utils";
   };
 
@@ -88,6 +88,11 @@
             "${pkgs.vulkan-validation-layers}";
 
           shellHook = ''
+            export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath [
+              pkgs.vulkan-loader
+              pkgs.wayland
+              pkgs.libxkbcommon
+            ]}"
             echo "VulkanEngine development environment"
             echo "CMake: $(cmake --version | head -n1)"
             echo "Ninja: $(ninja --version)"
diff --git a/src/Common/Types.h b/src/Common/Types.h
index 7c6803b..f571af7 100644
--- a/src/Common/Types.h
+++ b/src/Common/Types.h
@@ -22,7 +22,7 @@
 #include <vulkan/vk_enum_string_helper.h>
 #include <vk_mem_alloc.h>
 
-#define GLFW_INCLUDE_NONE
+//#define GLFW_INCLUDE_NONE
 #include <GLFW/glfw3.h>
 
 #define GLM_ENABLE_EXPERIMENTAL
diff --git a/src/Engine/engine/engine.h b/src/Engine/engine/engine.h
index d66a4f3..71c84a8 100644
--- a/src/Engine/engine/engine.h
+++ b/src/Engine/engine/engine.h
@@ -774,10 +774,16 @@ void Engine::initVulkan() {
 
   volkLoadDevice(_device);
 
+  VmaVulkanFunctions vmaFuncs{
+    .vkGetInstanceProcAddr = vkGetInstanceProcAddr, // Volk pointers
+    .vkGetDeviceProcAddr   = vkGetDeviceProcAddr
+  };
+
   VmaAllocatorCreateInfo  allocatorInfo = {
     .flags            = VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT,
     .physicalDevice   = _choosenGPU,
     .device           = _device,
+    .pVulkanFunctions = &vmaFuncs,
     .instance         = _instance
   };