diff --git a/tests/mock/sysrepo_subscription.cpp b/tests/mock/sysrepo_subscription.cpp
index 5527c41..03be075 100644
--- a/tests/mock/sysrepo_subscription.cpp
+++ b/tests/mock/sysrepo_subscription.cpp
@@ -23,7 +23,7 @@
 
     int operator()(
             sysrepo::S_Session sess,
-            const char *module_name,
+            [[maybe_unused]] const char *module_name,
             [[maybe_unused]] const char *xpath,
             [[maybe_unused]] sr_event_t event,
             [[maybe_unused]] uint32_t request_id)