diff --git a/karaf/assembly/src/main/distribution/unix-shell/bin/karaf b/karaf/assembly/src/main/distribution/unix-shell/bin/karaf
index 97a68ae..f990e2e 100755
--- a/karaf/assembly/src/main/distribution/unix-shell/bin/karaf
+++ b/karaf/assembly/src/main/distribution/unix-shell/bin/karaf
@@ -151,9 +151,9 @@
 
 pathCanonical() {
 	local dst=`pathCanonicalSimple "${1}"`
-	while [[ -h "${dst}" ]]; do
+	while [ -h "${dst}" ]; do
 		local linkDst="$(ls -l "${dst}" | sed -e 's/^.*[[:space:]]*->[[:space:]]*\(.*\)[[:space:]]*$/\1/g')"
-		if [[ -z "$(echo "${linkDst}" | grep -E '^/')" ]]; then
+		if [ -z "$(echo "${linkDst}" | grep -E '^/')" ]; then
 			# relative link destination
 			linkDst="$(dirname "${dst}")/${linkDst}"
 		fi