diff --git a/src/vulkan_header_fix.h b/src/vulkan_header_fix.h
index 0b8df7ac5bd4..ffeb2d813862 100644
--- a/src/vulkan_header_fix.h
+++ b/src/vulkan_header_fix.h
@@ -216,6 +216,35 @@ typedef void(VKAPI_PTR* PFN_vkGetPhysicalDeviceExternalBufferProperties)(VkPhysi
 typedef PFN_vkGetPhysicalDeviceExternalBufferProperties PFN_vkGetPhysicalDeviceExternalBufferPropertiesKHR;
 #endif // VK_KHR_external_memory_capabilities
 
+#ifndef VK_KHR_external_memory
+#define VK_KHR_external_memory 1
+#define VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO    (VkStructureType)1000072000
+#define VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO     (VkStructureType)1000072001
+#define VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO           (VkStructureType)1000072002
+#define VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO_KHR  VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO
+#define VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHR   VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO
+#define VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR         VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO
+#define VK_QUEUE_FAMILY_EXTERNAL_KHR      (~0U-1)
+typedef struct VkExternalMemoryImageCreateInfo {
+    VkStructureType                       sType;
+    const void*                           pNext;
+    VkExternalMemoryHandleTypeFlags    handleTypes;
+} VkExternalMemoryImageCreateInfo;
+typedef struct VkExternalMemoryBufferCreateInfo {
+    VkStructureType                       sType;
+    const void*                           pNext;
+    VkExternalMemoryHandleTypeFlags    handleTypes;
+} VkExternalMemoryBufferCreateInfo;
+typedef struct VkExportMemoryAllocateInfo {
+    VkStructureType                       sType;
+    const void*                           pNext;
+    VkExternalMemoryHandleTypeFlags    handleTypes;
+} VkExportMemoryAllocateInfo;
+typedef VkExternalMemoryImageCreateInfo VkExternalMemoryImageCreateInfoKHR;
+typedef VkExternalMemoryBufferCreateInfo VkExternalMemoryBufferCreateInfoKHR;
+typedef VkExportMemoryAllocateInfo VkExportMemoryAllocateInfoKHR;
+#endif // VK_KHR_external_memory
+
 #ifndef VK_KHR_descriptor_update_template
 #define VK_KHR_descriptor_update_template                            1
 #define VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO     (VkStructureType)1000085000