diff --git a/nlsr_lsdb.hpp b/nlsr_lsdb.hpp
index 1225969..5961b98 100644
--- a/nlsr_lsdb.hpp
+++ b/nlsr_lsdb.hpp
@@ -25,7 +25,7 @@
 	//function related to Cor LSDB
 	bool buildAndInstallOwnCorLsa(nlsr& pnlsr);
 	CorLsa& getCorLsa(string key);
-	bool installCorLsa(CorLsa &clsa);
+	bool installCorLsa(nlsr& pnlsr, CorLsa &clsa);
 	bool removeCorLsa(string& key);
 	void printCorLsdb(); //debugging