diff --git a/src/xrt/auxiliary/vk/vk_helpers.c b/src/xrt/auxiliary/vk/vk_helpers.c
index 75bd26416..528836797 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.c
+++ b/src/xrt/auxiliary/vk/vk_helpers.c
@@ -819,6 +819,7 @@ vk_get_loader_functions(struct vk_bundle *vk, PFN_vkGetInstanceProcAddr g)
 	// Fill in all loader functions.
 	// clang-format off
 	vk->vkCreateInstance = GET_PROC(vk, vkCreateInstance);
+	vk->vkEnumerateInstanceExtensionProperties = GET_PROC(vk, vkEnumerateInstanceExtensionProperties);
 	// clang-format on
 
 	return VK_SUCCESS;
diff --git a/src/xrt/auxiliary/vk/vk_helpers.h b/src/xrt/auxiliary/vk/vk_helpers.h
index 902908e61..dc8decaea 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.h
+++ b/src/xrt/auxiliary/vk/vk_helpers.h
@@ -79,6 +79,7 @@ struct vk_bundle
 	// Loader functions
 	PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
 	PFN_vkCreateInstance vkCreateInstance;
+	PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties;
 
 	// beginning of GENERATED instance loader code - do not modify - used by scripts
 	PFN_vkDestroyInstance vkDestroyInstance;