diff --git a/src/xrt/auxiliary/vk/vk_helpers.c b/src/xrt/auxiliary/vk/vk_helpers.c
index 70b8c4e67..d1b8055a4 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.c
+++ b/src/xrt/auxiliary/vk/vk_helpers.c
@@ -781,6 +781,7 @@ vk_get_device_functions(struct vk_bundle *vk)
 	vk->vkCreateDescriptorPool        = GET_DEV_PROC(vk, vkCreateDescriptorPool);
 	vk->vkDestroyDescriptorPool       = GET_DEV_PROC(vk, vkDestroyDescriptorPool);
 	vk->vkAllocateDescriptorSets      = GET_DEV_PROC(vk, vkAllocateDescriptorSets);
+	vk->vkFreeDescriptorSets          = GET_DEV_PROC(vk, vkFreeDescriptorSets);
 	vk->vkCreateGraphicsPipelines     = GET_DEV_PROC(vk, vkCreateGraphicsPipelines);
 	vk->vkDestroyPipeline             = GET_DEV_PROC(vk, vkDestroyPipeline);
 	vk->vkCreatePipelineLayout        = GET_DEV_PROC(vk, vkCreatePipelineLayout);
diff --git a/src/xrt/auxiliary/vk/vk_helpers.h b/src/xrt/auxiliary/vk/vk_helpers.h
index 45ca34b40..cfc09ee0f 100644
--- a/src/xrt/auxiliary/vk/vk_helpers.h
+++ b/src/xrt/auxiliary/vk/vk_helpers.h
@@ -165,6 +165,7 @@ struct vk_bundle
 	PFN_vkCreateDescriptorPool vkCreateDescriptorPool;
 	PFN_vkDestroyDescriptorPool vkDestroyDescriptorPool;
 	PFN_vkAllocateDescriptorSets vkAllocateDescriptorSets;
+	PFN_vkFreeDescriptorSets vkFreeDescriptorSets;
 	PFN_vkCreateGraphicsPipelines vkCreateGraphicsPipelines;
 	PFN_vkDestroyPipeline vkDestroyPipeline;
 	PFN_vkCreatePipelineLayout vkCreatePipelineLayout;