diff --git a/less.csh b/less.csh
old mode 100755
new mode 100644
index 13e4f3a..838fbe8
--- a/less.csh
+++ b/less.csh
@@ -1,4 +1,3 @@
-#!/bin/csh
 # less initialization script (csh)
 if ( -x /usr/bin/lesspipe.sh ) then
     if ( $?LESSOPEN && { eval 'test ! -z "$LESSOPEN"' } ) then
diff --git a/less.sh b/less.sh
old mode 100755
new mode 100644
index 9a6d64e..663489a
--- a/less.sh
+++ b/less.sh
@@ -1,4 +1,4 @@
 # less initialization script (sh)
-if [ -x /usr/bin/lesspipe.sh ] && [ -z "$LESSOPEN" ]; then
+if [ -z "$LESSOPEN" ] && [ -x /usr/bin/lesspipe.sh ]; then
     export LESSOPEN="|/usr/bin/lesspipe.sh %s"
 fi