diff --git a/webgpu.h b/webgpu.h
index 2eda6bd..ea1bfb1 100644
--- a/webgpu.h
+++ b/webgpu.h
@@ -77,6 +77,7 @@
 #define WGPU_WHOLE_SIZE (0xffffffffffffffffULL)
 
 typedef uint32_t WGPUFlags;
+typedef uint32_t WGPUBool;
 
 typedef struct WGPUAdapterImpl* WGPUAdapter WGPU_OBJECT_ATTRIBUTE;
 typedef struct WGPUBindGroupImpl* WGPUBindGroup WGPU_OBJECT_ATTRIBUTE;