diff --git a/bin/macos-brew-update.sh b/bin/macos-brew-update.sh
index 35ec8db..0b543ab 100755
--- a/bin/macos-brew-update.sh
+++ b/bin/macos-brew-update.sh
@@ -2,7 +2,7 @@
 set -euo pipefail
 
 if which brew >/dev/null 2>&1 ; then
-  if [ -e Brewfile ]; then
+  if [[ -e Brewfile ]] ; then
     set -x
     brew bundle
     set +x
diff --git a/bin/macos-dock-tilesize.sh b/bin/macos-dock-tilesize.sh
index e297240..660463a 100755
--- a/bin/macos-dock-tilesize.sh
+++ b/bin/macos-dock-tilesize.sh
@@ -4,7 +4,7 @@ set -eu
 print_cmd(){
 
   while read LINE ; do
-    if [[ -n "$LINE" ]]; then
+    if [[ -n "$LINE" ]] ; then
       KEY=$( echo "$LINE" | tr -d ' ' | awk -F= '{print $1}' )
       VAL=$( echo "$LINE" | tr -d ' ' | awk -F= '{print $2}' | tr -d ';' )
       if echo "$VAL" | grep -q -E '^[0-9]+$' ; then
diff --git a/bin/macos-ramdisk.sh b/bin/macos-ramdisk.sh
index db5f698..6e8edb7 100755
--- a/bin/macos-ramdisk.sh
+++ b/bin/macos-ramdisk.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -eux
 
-if [[ ! -e /Volumes/RAMDisk/.metadata_never_index ]]; then
+if [[ ! -e /Volumes/RAMDisk/.metadata_never_index ]] ; then
   set +x
   echo "=> Creating $1 GB /Volumes/RAMDisk..."
   set -x
diff --git a/bin/macos-skhd.sh b/bin/macos-skhd.sh
index d0cbf2c..c3d96cb 100644
--- a/bin/macos-skhd.sh
+++ b/bin/macos-skhd.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 echo "=>  Installing latest skhd..."
 
-if [ -e ~/bin/skhd ]; then
+if [[ -e ~/bin/skhd ]] ; then
   echo "=>  An older version already installed at ~/bin/skhd"
   exit 1
 else
diff --git a/bin/macos-yabai.sh b/bin/macos-yabai.sh
index 1e5c7c5..3923003 100644
--- a/bin/macos-yabai.sh
+++ b/bin/macos-yabai.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 echo "=>  Installing latest yabai..."
 
-if [ -e ~/bin/yabai ]; then
+if [[ -e ~/bin/yabai ]] ; then
   echo "=>  An older version already installed at ~/bin/yabai"
   exit 1
 else
diff --git a/bin/setup-python3.sh b/bin/setup-python3.sh
index fac3956..29c9e48 100755
--- a/bin/setup-python3.sh
+++ b/bin/setup-python3.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-if [            -e "$HOME/Library/Python/3.8/bin" ]; then
+if [[           -e "$HOME/Library/Python/3.8/bin" ]] ; then
   export PATH=$PATH:$HOME/Library/Python/3.8/bin
 fi
 
diff --git a/bin/yabai_cycle_clockwise.sh b/bin/yabai_cycle_clockwise.sh
index 3ac2173..96f4a50 100644
--- a/bin/yabai_cycle_clockwise.sh
+++ b/bin/yabai_cycle_clockwise.sh
@@ -4,7 +4,7 @@ win=$(yabai -m query --windows --window last | jq '.id')
 
 while : ; do
     yabai -m window $win --swap prev &> /dev/null
-    if [[ $? -eq 1 ]]; then
+    if [[ $? -eq 1 ]] ; then
         break
     fi
 done