diff --git a/tests/camera2/camera2_utils.h b/tests/camera2/camera2_utils.h
index c1d1e72..2072eb6 100644
--- a/tests/camera2/camera2_utils.h
+++ b/tests/camera2/camera2_utils.h
@@ -240,7 +240,7 @@
 
 struct HWModuleHelpers {
     /* attempt to unload the library with dlclose */
-    static int closeModule(hw_module_t* module);
+    static int closeModule(const hw_module_t* module);
 };
 
 }