diff --git a/src/Mod/Fem/TestFem.py b/src/Mod/Fem/TestFem.py
index 586caadeee..f53b3faff3 100644
--- a/src/Mod/Fem/TestFem.py
+++ b/src/Mod/Fem/TestFem.py
@@ -52,7 +52,7 @@ mesh_volumes_file = test_file_dir + '/mesh_volumes.csv'
 
 
 def fcc_print(message):
-    FreeCAD.Console.PrintMessage(message + '\n')
+    FreeCAD.Console.PrintMessage('{} \n'.format(message))
 
 
 class FemTest(unittest.TestCase):