diff --git a/include/SFML/Window/Vulkan.h b/include/SFML/Window/Vulkan.h
index a8adc877..45a1b1a2 100644
--- a/include/SFML/Window/Vulkan.h
+++ b/include/SFML/Window/Vulkan.h
@@ -40,7 +40,7 @@ typedef uint64_t VkSurfaceKHR;
 
 #endif
 
-struct VkAllocationCallbacks;
+typedef struct VkAllocationCallbacks VkAllocationCallbacks;
 
 
 typedef void (*sfVulkanFunctionPointer)();