diff --git a/src/Mod/Fem/femtest/data/ccx/Flow1D_thermomech.inp b/src/Mod/Fem/femtest/data/ccx/Flow1D_thermomech.inp
index 3c0863c08d..4f216ec668 100644
--- a/src/Mod/Fem/femtest/data/ccx/Flow1D_thermomech.inp
+++ b/src/Mod/Fem/femtest/data/ccx/Flow1D_thermomech.inp
@@ -134,7 +134,7 @@ Eedges
 ** written by write_constraints_selfweight function
 ** ConstraintSelfWeight
 *DLOAD
-Eall,GRAV,9810,0.0,0.0,-1.0
+Eall,GRAV,9820,0.0,0.0,-1.0
 
 
 ***********************************************************