--- pnm/pstopnm.c.dsafer	2001-09-07 09:49:59.000000000 -0600
+++ pnm/pstopnm.c	2005-08-08 11:09:43.846476026 -0600
@@ -478,7 +478,7 @@
     
     sprintf(ghostscript_command,
             "gs -sDEVICE='%s' -sOutputFile='%s' -g'%dx%d' -r'%dx%d' "
-            "-q -dNOPAUSE -",
+            "-q -dNOPAUSE -dSAFER -",
             ghostscript_device, outfile_arg, 
             xsize, ysize, xres, yres);