diff --git a/development/rmac/rmac.SlackBuild b/development/rmac/rmac.SlackBuild
index b1d39b41ac..85f7dce32e 100644
--- a/development/rmac/rmac.SlackBuild
+++ b/development/rmac/rmac.SlackBuild
@@ -82,7 +82,7 @@ install -s -m0755 $PRGNAM $PKG/usr/bin
 # ...and converted to *nix \n line endings.
 tar xvf $CWD/madmac-examples.tar.xz
 cd madmac-examples
-chown root.root *
+chown root:root *
 chmod 644 *
 mkdir -p $PKG/usr/share/$PRGNAM/examples
 mv * $PKG/usr/share/$PRGNAM/examples