diff --git a/Shorewall-lite/install.sh b/Shorewall-lite/install.sh
index 5c5c228bc..5750e0d0b 100755
--- a/Shorewall-lite/install.sh
+++ b/Shorewall-lite/install.sh
@@ -341,7 +341,7 @@ for f in *.5; do
 done
 
 for f in *.8; do
-    gzip -d $f > $f.gz
+    gzip -c $f > $f.gz
     run_install -D -m 644 $f.gz ${PREFIX}/usr/share/man/man8/$f.gz
     echo "Man page $f.gz installed to /usr/share/man/man8/$f.gz"
 done