diff --git a/q65w/libq65/ftninit.f90 b/q65w/libq65/ftninit.f90
index 565398565..caa80f78e 100644
--- a/q65w/libq65/ftninit.f90
+++ b/q65w/libq65/ftninit.f90
@@ -17,7 +17,9 @@ subroutine ftninit
   addpfx='    '
   open(17,file=appd//'/red.dat',status='unknown')
   open(19,file=appd//'/livecq.txt',status='unknown')
-  open(71,file=appd//'/debug.tmp',status='unknown')
+  open(71,file=appd//'/fort.71',status='unknown')
+  open(72,file=appd//'/fort.72',status='unknown')
+  open(73,file=appd//'/fort.73',status='unknown')
 
 ! Import FFTW wisdom, if available:
   iret=fftwf_init_threads()            !Initialize FFTW threading