diff --git a/src/Mod/Fem/FemInputWriterCcx.py b/src/Mod/Fem/FemInputWriterCcx.py
index 6f66a7bf0d..aa365f357c 100644
--- a/src/Mod/Fem/FemInputWriterCcx.py
+++ b/src/Mod/Fem/FemInputWriterCcx.py
@@ -915,7 +915,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
                         f.write("{},P{},{}\n".format(face, fno, rev * prs_obj.Pressure))
                     elif fno == 0:  # on shell mesh face: fno == 0 --> normal of element face == face normal
                         f.write("{},P,{}\n".format(face, rev * prs_obj.Pressure))
-                    elif fno == -1:  # on shell mesh face: fno == -1 --> normal of element face oposite direction face normal
+                    elif fno == -1:  # on shell mesh face: fno == -1 --> normal of element face opposite direction face normal
                         f.write("{},P,{}\n".format(face, -1 * rev * prs_obj.Pressure))
 
     def write_constraints_temperature(self, f):