diff --git a/README.md b/README.md
index 05ecb9a..b07bca4 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ Linux:
 macOS: 
 ```brew install git neovim lsd tmux```
 
+On macOS, `install.sh` also installs the `font-jetbrains-mono-nerd-font` Homebrew cask.
+
 From your users home directory (~/), execute:  
 ```git clone gitea@git.24unix.net:tracer/dotfiles.git .config/dotfiles```
 
diff --git a/install.sh b/install.sh
index 3d6d30c..a6e02df 100755
--- a/install.sh
+++ b/install.sh
@@ -105,6 +105,7 @@ apply_dotfiles() {
 	if [ "$(uname -s)" = "Darwin" ]; then
 		install_karabiner_config
 	fi
+	install_fonts
 	install_kitty_icon
 	install_tmux_plugins
 	install_powerlevel10k
@@ -135,6 +136,15 @@ replace_dir() {
 link_dotfile() {
 	source_path=$1
 	target_path=$2
+	resolved_source_path=$(cd "$(dirname "$source_path")" && pwd)/$(basename "$source_path")
+	target_parent=$(dirname "$target_path")
+	resolved_target_parent=$(cd "$target_parent" 2>/dev/null && pwd || printf '%s' "$target_parent")
+	resolved_target_path=$resolved_target_parent/$(basename "$target_path")
+
+	if [ "$resolved_source_path" = "$resolved_target_path" ]; then
+		skip "$target_path resolves to the source path; refusing to create a self-referential symlink."
+		return
+	fi
 
 	if [ -L "$target_path" ]; then
 		current_target=$(readlink "$target_path")
@@ -188,6 +198,21 @@ install_kitty_icon() {
 	echo
 }
 
+install_fonts() {
+	if [ "$(uname -s)" != "Darwin" ]; then
+		return
+	fi
+
+	if ! command_exists brew; then
+		skip "font installation: Homebrew is not installed."
+		return
+	fi
+
+	echo "${BLUE}Installing fonts...${RESET}"
+	brew install --cask font-jetbrains-mono-nerd-font
+	echo
+}
+
 install_tmux_plugins() {
 	echo "${BLUE}Installing tmux plugins...${RESET}"