diff --git a/src/FilterLists.Web.V2/src/shared/SubscribeButton.tsx b/src/FilterLists.Web.V2/src/shared/SubscribeButton.tsx
index 244c1f507..47c6e8f2d 100644
--- a/src/FilterLists.Web.V2/src/shared/SubscribeButton.tsx
+++ b/src/FilterLists.Web.V2/src/shared/SubscribeButton.tsx
@@ -12,46 +12,45 @@ export const SubscribeButton = (props: Props) => props.viewUrl
   ? <Button {...buildButtonProps(props)}>{props.text || "Subscribe"}</Button>
   : null;
 
-function buildButtonProps(props: Props): ButtonProps {
+const buildButtonProps = (props: Props) => {
   let type: ButtonType = "primary";
 
+  const hrefLocation = `${encodeURIComponent(props.viewUrl)}`;
   const hrefTitle = `${encodeURIComponent(props.name)}`;
-  let href: string = `abp:subscribe?location=${encodeURIComponent(props.viewUrl)}&amp;title=${hrefTitle}`;
+  let href = `abp:subscribe?location=${hrefLocation}&amp;title=${hrefTitle}`;
 
-  let titlePrefix = "";
-  let title: string = "";
+  const defaultTitle = (prefix?: string) => `${prefix || ""}Subscribe to ${props.name} with a browser extension supporting the "abp:" protocol (e.g. uBlock Origin, Adblock Plus).`;
+  let title: string;
 
-  const contains = (match: string) => props.viewUrl.indexOf(match) > 0;
-
-  switch (contains) {
+  switch (true) {
 
     // HTTP protocols
-    case contains(".onion/").valueOf:
+    case props.viewUrl.includes(".onion/"):
       type = "ghost";
-      titlePrefix = "Tor address - ";
+      title = defaultTitle("Tor address - ");
       break;
-    case contains("http://").valueOf:
+    case props.viewUrl.includes("http://"):
       type = "danger";
-      titlePrefix = "Not Secure - ";
+      title = defaultTitle("Not Secure - ");
       break;
 
     // Software protocols
-    case contains(".tpl").valueOf:
-      href = `javascript:window.external.msAddTrackingProtectionList('${encodeURIComponent(props.viewUrl)}', '${hrefTitle}')`;
-      title = `${titlePrefix}Subscribe to ${props.name} with Internet Explorer's Tracking Protection List feature.`;
+    case props.viewUrl.includes(".tpl"):
+      href = `javascript:window.external.msAddTrackingProtectionList('${hrefLocation}', '${hrefTitle}')`;
+      title = `Subscribe to ${props.name} with Internet Explorer's Tracking Protection List feature.`;
       break;
-    case contains(".lsrules").valueOf:
-      href = `x-littlesnitch:subscribe-rules?url=${encodeURIComponent(props.viewUrl)}`;
-      title = `${titlePrefix}Subscribe to ${props.name} with Little Snitch's rule group subscription feature.`;
+    case props.viewUrl.includes(".lsrules"):
+      href = `x-littlesnitch:subscribe-rules?url=${hrefLocation}`;
+      title = `Subscribe to ${props.name} with Little Snitch's rule group subscription feature.`;
       break;
-    case contains("?hostformat=littlesnitch").valueOf:
-      href = `x-littlesnitch:subscribe-rules?url=${encodeURIComponent(props.viewUrl)}`;
-      title = `${titlePrefix}Subscribe to ${props.name} with Little Snitch's rule group subscription feature.`;
+    case props.viewUrl.includes("?hostformat=littlesnitch"):
+      href = `x-littlesnitch:subscribe-rules?url=${hrefLocation}`;
+      title = `Subscribe to ${props.name} with Little Snitch's rule group subscription feature.`;
       break;
     default:
-      title = `${titlePrefix}Subscribe to ${props.name} with a browser extension supporting the "abp:" protocol (e.g. uBlock Origin, Adblock Plus).`;
+      title = defaultTitle();
       break;
   }
 
   return { type, href, title } as ButtonProps
-}
\ No newline at end of file
+}