diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index 42acd7b282..0d453c9f8b 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -607,7 +607,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
                             name = "DEP" + str(obj)
                         else:
                             name = "IND" + str(obj)
-                        f.write("*SURFACE, NAME =" + name + "\n")
+                        f.write("*SURFACE, NAME=" + name + "\n")
 
                         v = self.mesh_object.FemMesh.getccxVolumesByFace(ref_shape)
                         if len(v) > 0:
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 7c57123a35..3105c5bf56 100644
--- a/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp
+++ b/src/Mod/Fem/femtest/data/ccx/contact_shell_shell.inp
@@ -23072,7 +23072,7 @@ Efaces
 ** Surfaces for contact constraint
 ** written by write_surfaces_contraints_contact function
 ** ConstraintContact
-*SURFACE, NAME =DEP1
+*SURFACE, NAME=DEP1
 329,S2
 330,S2
 331,S2
@@ -30571,7 +30571,7 @@ Efaces
 7824,S2
 7825,S2
 7826,S2
-*SURFACE, NAME =IND1
+*SURFACE, NAME=IND1
 7827,S2
 7828,S2
 7829,S2