diff --git a/Linux-instructions.md b/Linux-instructions.md
index 93c2f53..85304fe 100644
--- a/Linux-instructions.md
+++ b/Linux-instructions.md
@@ -34,9 +34,9 @@ With most desktop-oriented distributions, double-clicking each font file in the
 #!/usr/bin/env bash
 
 fonts_dir="${HOME}/.local/share/fonts"
-if [ ! -d ${fonts_dir} ]; then
+if [ ! -d "${fonts_dir}" ]; then
     echo "mkdir -p $fonts_dir"
-    mkdir -p ${fonts_dir}
+    mkdir -p "${fonts_dir}"
 else
     echo "Found fonts dir $fonts_dir"
 fi
@@ -44,9 +44,9 @@ fi
 for type in Bold Light Medium Regular Retina; do
     file_path="${HOME}/.local/share/fonts/FiraCode-${type}.ttf"
     file_url="https://github.com/tonsky/FiraCode/blob/master/distr/ttf/FiraCode-${type}.ttf?raw=true"
-    if [ ! -e ${file_path} ]; then
+    if [ ! -e "${file_path}" ]; then
         echo "wget -O $file_path $file_url"
-        wget -O ${file_path} ${file_url}
+        wget -O "${file_path} ${file_url}"
     else
 	echo "Found existing file $file_path"
     fi;