diff --git a/gpu/src/dawn_impl.zig b/gpu/src/dawn_impl.zig
index 751b0c3b..3fd86943 100644
--- a/gpu/src/dawn_impl.zig
+++ b/gpu/src/dawn_impl.zig
@@ -1101,8 +1101,7 @@ pub const Interface = gpu.Interface(struct {
     }
 
     pub inline fn swapChainReference(swap_chain: *gpu.SwapChain) void {
-        _ = swap_chain;
-        unreachable;
+        procs.swapChainReference.?(@ptrCast(c.WGPUSwapChain, swap_chain));
     }
 
     pub inline fn swapChainRelease(swap_chain: *gpu.SwapChain) void {