diff --git a/wireguard-install.sh b/wireguard-install.sh
index 5dadded..fd87f39 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -84,13 +84,13 @@ fi
 if [[ "$OS" = 'ubuntu' ]]; then
     add-apt-repository ppa:wireguard/wireguard
     apt-get update
-    apt-get install linux-headers-$(uname -r)
+    apt-get install "linux-headers-$(uname -r)"
     apt-get install wireguard iptables
 elif [[ "$OS" = 'debian' ]]; then
     echo "deb http://deb.debian.org/debian/ unstable main" > /etc/apt/sources.list.d/unstable.list
     printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' > /etc/apt/preferences.d/limit-unstable
     apt update
-    apt-get install linux-headers-$(uname -r)
+    apt-get install "linux-headers-$(uname -r)"
     apt install wireguard iptables
 elif [[ "$OS" = 'fedora' ]]; then
     dnf copr enable jdoss/wireguard