diff --git a/tracetool b/tracetool
index 63e3e291cc..701085837f 100755
--- a/tracetool
+++ b/tracetool
@@ -250,7 +250,7 @@ linetoh_ust()
     argnames=$(get_argnames "$1")
 
     cat <<EOF
-DECLARE_TRACE(ust_$name, TPPROTO($args), TPARGS($argnames));
+DECLARE_TRACE(ust_$name, TP_PROTO($args), TP_ARGS($argnames));
 #define trace_$name trace_ust_$name
 EOF
 }