diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index 0d453c9f8b..df27201515 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -148,7 +148,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
         if self.planerotation_objects:
             self.write_node_sets_constraints_planerotation(inpfile)
         if self.contact_objects:
-            self.write_surfaces_contraints_contact(inpfile)
+            self.write_surfaces_constraints_contact(inpfile)
         if self.transform_objects:
             self.write_node_sets_constraints_transform(inpfile)
         if self.analysis_type == "thermomech" and self.temperature_objects:
@@ -273,7 +273,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
         if self.planerotation_objects:
             self.write_node_sets_constraints_planerotation(inpfileNodes)
         if self.contact_objects:
-            self.write_surfaces_contraints_contact(inpfileContact)
+            self.write_surfaces_constraints_contact(inpfileContact)
         if self.transform_objects:
             self.write_node_sets_constraints_transform(inpfileTransform)
 
@@ -288,7 +288,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
 
         inpfileMain.write("\n***********************************************************\n")
         inpfileMain.write("** Surfaces for contact constraint\n")
-        inpfileMain.write("** written by write_surfaces_contraints_contact\n")
+        inpfileMain.write("** written by write_surfaces_constraints_contact\n")
         if self.contact_objects:
             inpfileMain.write("*INCLUDE,INPUT=" + include_name + "_Surface_Contact.inp \n")
 
@@ -586,7 +586,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
             for i in range(len(MPC_nodes)):
                 f.write(str(MPC_nodes[i]) + ",\n")
 
-    def write_surfaces_contraints_contact(self, f):
+    def write_surfaces_constraints_contact(self, f):
         # get surface nodes and write them to file
         f.write("\n***********************************************************\n")
         f.write("** Surfaces for contact constraint\n")
diff --git a/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp b/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp
index 3105c5bf56..e38fb246ba 100644
--- a/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp
+++ b/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp
@@ -23070,7 +23070,7 @@ Efaces
 
 ***********************************************************
 ** Surfaces for contact constraint
-** written by write_surfaces_contraints_contact function
+** written by write_surfaces_constraints_contact function
 ** ConstraintContact
 *SURFACE, NAME=DEP1
 329,S2