diff --git a/src/remote/client/interface.cpp b/src/remote/client/interface.cpp
index e482eb81ee..ac34c7c738 100644
--- a/src/remote/client/interface.cpp
+++ b/src/remote/client/interface.cpp
@@ -7389,6 +7389,7 @@ static rem_port* analyze(ClntAuthBlock& cBlock, PathName& attach_name, unsigned
 	int inet_af = AF_UNSPEC;
 
 	cBlock.loadClnt(pb, &parSet);
+	pb.deleteWithTag(parSet.auth_block);
 	authenticateStep0(cBlock);
 
 	bool needFile = !(flags & ANALYZE_EMP_NAME);