diff --git a/bin/portzap b/bin/portzap
index 45e96d8..e34a75a 100755
--- a/bin/portzap
+++ b/bin/portzap
@@ -107,7 +107,7 @@ install() {
         exit 1
     fi
     cd $transient_dir
-    find . -maxdepth 1 -type f -exec install -m=$install_mode {} $rest_dir \;
+    find . -maxdepth 1 -type f -exec install -m $install_mode {} $rest_dir \;
     find . -maxdepth 1 -type d -exec mkdir -p -m $install_mode $rest_dir/{} \;
     find . -depth 2 -type d -exec portzap-install-port {} $rest_dir $install_mode \;
 }