diff --git a/wgpu/instance.go b/wgpu/instance.go
index 46de657..adea7dd 100644
--- a/wgpu/instance.go
+++ b/wgpu/instance.go
@@ -25,7 +25,7 @@ func CreateInstance(descriptor *InstanceDescriptor) *Instance {
 	var desc C.WGPUInstanceDescriptor
 
 	if descriptor != nil {
-		instanceExtras := (*C.WGPUInstanceExtras)(C.malloc(C.size_t(unsafe.Sizeof(C.WGPUInstanceExtras{}))))
+		instanceExtras := (*C.WGPUInstanceExtras)(C.calloc(1, C.size_t(unsafe.Sizeof(C.WGPUInstanceExtras{}))))
 		defer C.free(unsafe.Pointer(instanceExtras))
 
 		instanceExtras.chain.next = nil