diff --git a/spdl/ns3-extreme.spdl b/spdl/ns3-extreme.spdl
index 981fbe1..a7b8c94 100644
--- a/spdl/ns3-extreme.spdl
+++ b/spdl/ns3-extreme.spdl
@@ -12,7 +12,7 @@ protocol ns3(I,R)
 		send_1(I,R, {I,ni}pk(R) );
 		read_2(R,I, {ni,nr}pk(I) );
 		send_3(I,R, {nr}pk(R) );
-		claim(I,Secret,ni,nr);
+		claim_4(I,Secret,ni,nr);
 	}	
 	
 	role R
@@ -23,7 +23,7 @@ protocol ns3(I,R)
 		read_1(I,R, {I,ni}pk(R) );
 		send_2(R,I, {ni,nr}pk(I) );
 		read_3(I,R, {nr}pk(R) );
-		claim(R,Secret,ni,nr);
+		claim_5(R,Secret,ni,nr);
 	}
 }