diff --git a/travis/before_install-macos.sh b/travis/before_install-macos.sh
index a0c3cd57e..73f8f22c9 100755
--- a/travis/before_install-macos.sh
+++ b/travis/before_install-macos.sh
@@ -2,6 +2,6 @@
 
 set -euo pipefail
 
-thisdir=$(dirname $(readlink -f "$0"))
+thisdir=$(dirname "$0")
 
 "$thisdir/before_install-common.sh"