diff --git a/gpu/TODO-webgpu.h b/gpu/TODO-webgpu.h
index 06ca1514..34ceae7c 100644
--- a/gpu/TODO-webgpu.h
+++ b/gpu/TODO-webgpu.h
@@ -1,4 +1,3 @@
-typedef void (*WGPUQueueWorkDoneCallback)(WGPUQueueWorkDoneStatus status, void * userdata);
 typedef void (*WGPURequestAdapterCallback)(WGPURequestAdapterStatus status, WGPUAdapter adapter, char const * message, void * userdata);
 typedef void (*WGPURequestDeviceCallback)(WGPURequestDeviceStatus status, WGPUDevice device, char const * message, void * userdata);
 
diff --git a/gpu/src/queue.zig b/gpu/src/queue.zig
index 2aa390d8..e9fa69fc 100644
--- a/gpu/src/queue.zig
+++ b/gpu/src/queue.zig
@@ -2,6 +2,11 @@ const ChainedStruct = @import("types.zig").ChainedStruct;
 
 pub const Queue = *opaque {};
 
+pub const QueueWorkDoneCallback = fn (
+    status: QueueWorkDoneStatus,
+    userdata: *anyopaque,
+) callconv(.C) void;
+
 pub const QueueWorkDoneStatus = enum(u32) {
     success = 0x00000000,
     err = 0x00000001,