diff --git a/tiny/psg b/tiny/psg
index a1cb1e4..7b2ede8 100755
--- a/tiny/psg
+++ b/tiny/psg
@@ -1,9 +1,9 @@
 #!/bin/sh
 case `uname` in
 Linux)
-    ps auxwwf | grep "$1"
+    ps auxwwf | grep "$@"
     ;;
 HP-UX)
-    UNIX95=1 ps -efH | grep "$1"
+    UNIX95=1 ps -efH | grep "$@"
     ;;
 esac