diff --git a/include/SFML/Window/Vulkan.h b/include/SFML/Window/Vulkan.h
index 187b439..c2d8041 100644
--- a/include/SFML/Window/Vulkan.h
+++ b/include/SFML/Window/Vulkan.h
@@ -36,7 +36,7 @@ typedef struct VkSurfaceKHR_T* VkSurfaceKHR;
 
 #else
 
-typedef uint64_t VkSurfaceKHR;
+typedef sfUint64 VkSurfaceKHR;
 
 #endif