diff --git a/bin/build b/bin/build
index ae3aca8d9..ebca55461 100755
--- a/bin/build
+++ b/bin/build
@@ -21,7 +21,7 @@
 # IN THE SOFTWARE.
 
 # Resolve root directory
-ROOT=$(dirname $0)/..
+ROOT=`dirname $0`/..
 
 # Check if "npm install" was executed
 if [[ ! -d $ROOT/node_modules ]]; then
diff --git a/bin/clean b/bin/clean
index 625e98019..3e5f6ce10 100755
--- a/bin/clean
+++ b/bin/clean
@@ -21,7 +21,7 @@
 # IN THE SOFTWARE.
 
 # Resolve root directory
-ROOT=$(dirname $0)/..
+ROOT=`dirname $0`/..
 
 # Check if "npm install" was executed
 if [[ ! -d $ROOT/node_modules ]]; then
diff --git a/bin/lint b/bin/lint
index 47ef8319b..a54ee7bc5 100755
--- a/bin/lint
+++ b/bin/lint
@@ -21,7 +21,7 @@
 # IN THE SOFTWARE.
 
 # Resolve root directory
-ROOT=$(dirname $0)/..
+ROOT=`dirname $0`/..
 
 # Check if "npm install" was executed
 if [[ ! -d $ROOT/node_modules ]]; then
diff --git a/bin/start b/bin/start
index e3a61d973..18a3700d4 100755
--- a/bin/start
+++ b/bin/start
@@ -21,7 +21,7 @@
 # IN THE SOFTWARE.
 
 # Resolve root directory
-ROOT=$(dirname $0)/..
+ROOT=`dirname $0`/..
 
 # Check if "npm install" was executed
 if [[ ! -d $ROOT/node_modules ]]; then
diff --git a/bin/test b/bin/test
index 279b36200..7a30bd210 100755
--- a/bin/test
+++ b/bin/test
@@ -21,7 +21,7 @@
 # IN THE SOFTWARE.
 
 # Resolve root directory
-ROOT=$(dirname $0)/..
+ROOT=`dirname $0`/..
 
 # Check if "npm install" was executed
 if [[ ! -d $ROOT/node_modules ]]; then