diff --git a/install-linux.sh b/install-linux.sh
index 66a24794..2973c35b 100644
--- a/install-linux.sh
+++ b/install-linux.sh
@@ -2,7 +2,7 @@
 
 # Ensure correct local path.
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-cd $SCRIPT_DIR
+cd "$SCRIPT_DIR"
 
 # Accidental run prevention
 if [ -d "SwarmUI" ]; then
@@ -26,7 +26,7 @@ wget https://dot.net/v1/dotnet-install.sh -O dotnet-install.sh
 chmod +x dotnet-install.sh
 cd ..
 
-# Note: manual installers that want to avoid home dir, add to both of the below lines: --install-dir $SCRIPT_DIR/.dotnet
+# Note: manual installers that want to avoid home dir, add to both of the below lines: --install-dir "$SCRIPT_DIR/.dotnet"
 ./launchtools/dotnet-install.sh --channel 8.0 --runtime aspnetcore
 ./launchtools/dotnet-install.sh --channel 8.0
 
diff --git a/launch-linux.sh b/launch-linux.sh
index e5d5c26d..51c6fd55 100755
--- a/launch-linux.sh
+++ b/launch-linux.sh
@@ -2,7 +2,7 @@
 
 # Ensure correct local path.
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-cd $SCRIPT_DIR
+cd "$SCRIPT_DIR"
 
 # Add dotnet non-admin-install to path
 export PATH="$SCRIPT_DIR/.dotnet:~/.dotnet:$PATH"
diff --git a/launch-macos.sh b/launch-macos.sh
index f8deb734..b948c8b7 100755
--- a/launch-macos.sh
+++ b/launch-macos.sh
@@ -2,7 +2,7 @@
 
 # Ensure correct local path.
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-cd $SCRIPT_DIR
+cd "$SCRIPT_DIR"
 
 export DOTNET_CLI_TELEMETRY_OPTOUT=1
 
diff --git a/update-linuxmac.sh b/update-linuxmac.sh
index 2ec35532..72ec7f6e 100755
--- a/update-linuxmac.sh
+++ b/update-linuxmac.sh
@@ -2,7 +2,7 @@
 
 # Ensure correct local path.
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-cd $SCRIPT_DIR
+cd "$SCRIPT_DIR"
 
 # Add dotnet non-admin-install to path
 export PATH="$SCRIPT_DIR/.dotnet:~/.dotnet:$PATH"