diff --git a/test/porousmediumflow/2pncmin/implicit/test_2pncmin.input b/test/porousmediumflow/2pncmin/implicit/test_2pncmin.input
index 4c2792f064a50eaa4cbaea59fa44052c53467e3a..0fd2372265fbdf8e1a9d062ca49c134a604bacd2 100644
--- a/test/porousmediumflow/2pncmin/implicit/test_2pncmin.input
+++ b/test/porousmediumflow/2pncmin/implicit/test_2pncmin.input
@@ -4,7 +4,7 @@
 
 [TimeLoop]
 TEnd = 1e6                         # duration of the simulation [s]
-DtInitial = 10                   # initial time step size [s]
+DtInitial = 10                     # initial time step size [s]
 MaxTimeStepSize = 50000            # maximum time step size
 
 [Grid]