diff --git a/lib/test_q65.f90 b/lib/test_q65.f90
index 73602c3a0..f614d2703 100644
--- a/lib/test_q65.f90
+++ b/lib/test_q65.f90
@@ -68,7 +68,7 @@ program test_q65
 
 !                1         2         3         4         5         6         7
 !       123456789012345678901234567890123456789012345678901234567890123456789012345'
-  cmd1='q65sim   "K1ABC W9XYZ EN37      " A 1500  5.0  0.0  60  100 F -10.0 > junk0'
+  cmd1='q65sim   "K1ABC W9XYZ EN37      " A 1500  5.0  0.0  60  100   -10.0 > junk0'
   cmd2='jt9 -3 -p  15 -L 300 -H 3000 -d  3 -b A -Q 3 -f 1500 *.wav > junk'
 
   write(cmd1(10:33),'(a)') '"'//msg//'"'