diff --git a/src/output.F90 b/src/output.F90
index 30219e98a2..643a28b671 100644
--- a/src/output.F90
+++ b/src/output.F90
@@ -409,7 +409,7 @@ contains
 
     ! next line
     write(UNIT=OUTPUT_UNIT, FMT=*)
- 
+
   end subroutine print_cmfd
 
 !===============================================================================