diff --git a/android.sh b/android.sh
index a646696b9..d980e8a57 100755
--- a/android.sh
+++ b/android.sh
@@ -10,7 +10,7 @@ while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
 
 # Check for Homebrew,
 # Install if we don't have it
-if test ! $(which brew); then
+if ! command -v brew >/dev/null 2>&1; then
   echo "Installing homebrew..."
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 fi
diff --git a/datastores.sh b/datastores.sh
index bc6fb882e..1fe78f372 100755
--- a/datastores.sh
+++ b/datastores.sh
@@ -10,7 +10,7 @@ while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
 
 # Check for Homebrew,
 # Install if we don't have it
-if test ! $(which brew); then
+if ! command -v brew >/dev/null 2>&1; then
   echo "Installing homebrew..."
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 fi
@@ -31,4 +31,4 @@ brew install caskroom/cask/brew-cask
 brew cask install --appdir="/Applications" mysqlworkbench
 
 # Remove outdated versions from the cellar.
-brew cleanup
\ No newline at end of file
+brew cleanup
diff --git a/web.sh b/web.sh
index dee44602c..b741fb2f3 100755
--- a/web.sh
+++ b/web.sh
@@ -10,7 +10,7 @@ while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &
 
 # Check for Homebrew,
 # Install if we don't have it
-if test ! $(which brew); then
+if ! command -v brew >/dev/null 2>&1; then
   echo "Installing homebrew..."
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 fi