diff --git a/gpu/README.md b/gpu/README.md
index 555bee45..94a5a869 100644
--- a/gpu/README.md
+++ b/gpu/README.md
@@ -157,6 +157,7 @@ The slice helpers are:
 * `CommandEncoder.writeBuffer`
 * `Queue.writeTexture`
 * `Queue.writeBuffer`
+* `RenderPassEncoder.executeBundles`
 
 ### Typed callbacks
 
@@ -221,6 +222,5 @@ The following are definitive candidates for helpers we haven't implemented yet:
 * `gpu.ComputePassEncoder.setBindGroup` (slice param)
 * `gpu.Device.enumerateFeatures` (owned slice)
 * `gpu.RenderBundleEncoder.setBindGroup` (slice param)
-* `gpu.RenderPassEncoder.executeBundles` (slice param)
 * `gpu.RenderPassEncoder.setBindGroup` (slice param)
 * Other `next_in_chain` extensions (look at dawn.json after the bug to get this documented was fixed)
diff --git a/gpu/src/render_pass_encoder.zig b/gpu/src/render_pass_encoder.zig
index 331f2531..416d677d 100644
--- a/gpu/src/render_pass_encoder.zig
+++ b/gpu/src/render_pass_encoder.zig
@@ -43,8 +43,15 @@ pub const RenderPassEncoder = opaque {
         Impl.renderPassEncoderEndOcclusionQuery(render_pass_encoder);
     }
 
-    pub inline fn executeBundles(render_pass_encoder: *RenderPassEncoder, bundles_count: u32, bundles: [*]const *const RenderBundle) void {
-        Impl.renderPassEncoderExecuteBundles(render_pass_encoder, bundles_count, bundles);
+    pub inline fn executeBundles(
+        render_pass_encoder: *RenderPassEncoder,
+        bundles: []*const RenderBundle,
+    ) void {
+        Impl.renderPassEncoderExecuteBundles(
+            render_pass_encoder,
+            @intCast(u32, bundles.len),
+            bundles.ptr,
+        );
     }
 
     pub inline fn insertDebugMarker(render_pass_encoder: *RenderPassEncoder, marker_label: [*:0]const u8) void {