diff --git a/repos/dde_linux/src/drivers/usb_host/spec/arm/platform.cc b/repos/dde_linux/src/drivers/usb_host/spec/arm/platform.cc
index 232e834f04..667a3938c9 100644
--- a/repos/dde_linux/src/drivers/usb_host/spec/arm/platform.cc
+++ b/repos/dde_linux/src/drivers/usb_host/spec/arm/platform.cc
@@ -190,9 +190,9 @@ void backend_alloc_init(Env & env, Ram_allocator&, Allocator&)
 }
 
 
-Ram_dataspace_capability Lx::backend_alloc(addr_t size, Cache)
+Ram_dataspace_capability Lx::backend_alloc(addr_t size, Cache cache)
 {
-	return resource_env().platform.alloc_dma_buffer(size, UNCACHED);
+	return resource_env().platform.alloc_dma_buffer(size, cache);
 }