diff --git a/code/post_dns.f90 b/code/post_dns.f90
index 034db8f..5f5d436 100644
--- a/code/post_dns.f90
+++ b/code/post_dns.f90
@@ -9,7 +9,7 @@
 
      CHARACTER(100) :: num1char = ""
 
-     character (len=2000) :: input_string
+     character (len=8000) :: input_string = ""
 
      call cstr(input_string)
 
@@ -26,7 +26,7 @@
          WRITE(*,*) " -h                show this help message and exit"
          WRITE(*,*) " -v                print version information"
        ELSE IF(num1char=="-v") THEN
-         WRITE(*,*) input_string
+         WRITE(*,*) input_string(1:lnblnk(input_string))
        ELSE
          WRITE(*,*) 'ERROR, OPTION NOT SUPPORTED ', num1char
        END IF
@@ -42,7 +42,7 @@
 
      CALL m_openmpi_init
 
-     if (iammaster) write(*,*) input_string
+     if (iammaster) write(*,*) input_string(1:lnblnk(input_string))
 
      CALL main