diff --git a/xschem_library/analyses/tran.sym b/xschem_library/analyses/tran.sym
index 44c872a2..30d34ee4 100644
--- a/xschem_library/analyses/tran.sym
+++ b/xschem_library/analyses/tran.sym
@@ -27,6 +27,12 @@ step=\\"1u\\"
 stop=\\"100u\\"
 start=\\"\\"
 maxstep=\\"\\"
+noiseseed=\\"\\"
+noisescale=\\"\\"
+noisefmax=\\"\\"
+noisefmin=\\"\\"
+noisemode=\\"\\"
+oversample=\\"\\"
 icmode=\\"\\"
 nodeset=\\"\\"
 ic=\\"\\"