diff --git a/process/io/obsolete_vars.py b/process/io/obsolete_vars.py
index 081e405ac8..f4d918ae50 100644
--- a/process/io/obsolete_vars.py
+++ b/process/io/obsolete_vars.py
@@ -30,8 +30,8 @@
     "sigvert": "sig_tf_z",
     "sig_vmises_case": "sig_tf_vmises",
     "sig_vmises_cond": "sig_tf_vmises",
-    "sig_tresca_case": "sig_tf_treca",
-    "sig_tresca_cond": "sig_tf_treca",
+    "sig_tresca_case": "s_shear_tf",
+    "sig_tresca_cond": "s_shear_tf",
     "sigver": None,
     "sigrad": None,
     "poisson": "poisson_steel",