diff --git a/Data/src/SessionPool.cpp b/Data/src/SessionPool.cpp
index 40b74d2a3..be87fb1c1 100644
--- a/Data/src/SessionPool.cpp
+++ b/Data/src/SessionPool.cpp
@@ -82,7 +82,7 @@ Session SessionPool::get()
 			_idleSessions.push_front(pHolder);
 			++_nSessions;
 		}
-		else throw SessionPoolExhaustedException(_connector, _connectionString);
+		else throw SessionPoolExhaustedException(_connector);
 	}
 
 	PooledSessionHolderPtr pHolder(_idleSessions.front());