diff --git a/scripts/build b/scripts/build
index 8037cbda3..45b3f3210 100755
--- a/scripts/build
+++ b/scripts/build
@@ -21,11 +21,11 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp build --clean --optimize --revision "$@"
+$(npm bin)/gulp build --clean --optimize --revision "$@"
diff --git a/scripts/clean b/scripts/clean
index 309567950..90a6ab619 100755
--- a/scripts/clean
+++ b/scripts/clean
@@ -21,11 +21,11 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp clean "$@"
+$(npm bin)/gulp clean "$@"
diff --git a/scripts/flow b/scripts/flow
index ecc7f103c..054800bed 100755
--- a/scripts/flow
+++ b/scripts/flow
@@ -21,18 +21,18 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Annotate source files
-`npm bin`/gulp assets:javascripts:annotate "$@"
+$(npm bin)/gulp assets:javascripts:annotate "$@"
 FLOW_JSDOC=$?
 
 # Run flow typecheck
-`npm bin`/flow check tmp
+$(npm bin)/flow check tmp
 FLOW=$?
 
 # If one command failed, exit with error
diff --git a/scripts/lint b/scripts/lint
index f83f6c9ba..ed059112d 100755
--- a/scripts/lint
+++ b/scripts/lint
@@ -21,18 +21,18 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run ESLint
-`npm bin`/eslint --max-warnings 0 .
+$(npm bin)/eslint --max-warnings 0 .
 ESLINT=$?
 
 # Run Stylelint
-`npm bin`/stylelint `find src/assets -name *.scss`
+$(npm bin)/stylelint `find src/assets -name *.scss`
 STYLELINT=$?
 
 # If one command failed, exit with error
diff --git a/scripts/start b/scripts/start
index 95f1999b9..bdf8dd583 100755
--- a/scripts/start
+++ b/scripts/start
@@ -21,12 +21,12 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp clean && \
-`npm bin`/gulp watch --no-lint "$@"
+$(npm bin)/gulp clean && \
+$(npm bin)/gulp watch --no-lint "$@"
diff --git a/scripts/test/visual/run b/scripts/test/visual/run
index 794378687..79cfc7ca9 100755
--- a/scripts/test/visual/run
+++ b/scripts/test/visual/run
@@ -21,11 +21,11 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp tests:visual:run --clean --no-optimize "$@"
+$(npm bin)/gulp tests:visual:run --clean --no-optimize "$@"
diff --git a/scripts/test/visual/session b/scripts/test/visual/session
index 5d30bd2e1..352387d0f 100755
--- a/scripts/test/visual/session
+++ b/scripts/test/visual/session
@@ -21,11 +21,11 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp tests:visual:session "$@"
+$(npm bin)/gulp tests:visual:session "$@"
diff --git a/scripts/test/visual/update b/scripts/test/visual/update
index 61789f24d..61aa20cb4 100755
--- a/scripts/test/visual/update
+++ b/scripts/test/visual/update
@@ -21,11 +21,11 @@
 # IN THE SOFTWARE.
 
 # Check if "npm install" was executed
-if [[ ! -d `npm bin` ]]; then
+if [[ ! -d $(npm bin) ]]; then
   echo "\"node_modules\" not found:"
   echo "npm install"
   exit 1
 fi
 
 # Run command
-`npm bin`/gulp tests:visual:update "$@"
+$(npm bin)/gulp tests:visual:update "$@"