diff --git a/static/item_updater_static.hpp b/static/item_updater_static.hpp
index 75afeda..c3f273d 100644
--- a/static/item_updater_static.hpp
+++ b/static/item_updater_static.hpp
@@ -33,7 +33,7 @@
 
     void deleteAll() override;
 
-    void freeSpace() override;
+    bool freeSpace() override;
 
     void updateFunctionalAssociation(const std::string& versionId) override;