diff --git a/assets/shell/create_certificate.sh b/assets/shell/create_certificate.sh
index cfa59ad..90fd53a 100755
--- a/assets/shell/create_certificate.sh
+++ b/assets/shell/create_certificate.sh
@@ -19,17 +19,20 @@ if command -v "$bin" >/dev/null 2>&1; then
     
 else
     echo -e "$bin is not installed.\n"
-    read -p "Do you wish to install $bin via APT? : " install
-
-    if [$install == "yY"]; then
-        sudo apt update && sudo apt install -y $bin
-        echo -e "\n$bin installed. Proceeding...\n"
-
-    elif [$install == "nN"]; then
-        echo -e "Dependencies not installed... Exiting"
-        exit 0
-    fi
+        
+    while true; do
+        read -p "Do you wish to install $bin via APT? : " install
+        if ["$install" == "yY"]; then
+            sudo apt update && sudo apt install -y $bin
+            echo -e "\n$bin installed. Proceeding...\n"
 
+        elif ["$install" == "nN"];
+            echo -e "Dependencies not installed... Exiting"
+            exit 0
+        else
+            echo -e "Invalid response... Try again..."
+        fi
+    done
 fi
 
 #sudo mkdir -p /etc/nginx/ssl ;