diff --git a/src/utils/links.go b/src/utils/links.go
index 2044fa5..4ae9bf2 100644
--- a/src/utils/links.go
+++ b/src/utils/links.go
@@ -56,6 +56,16 @@ func ConvertRelativeAnchorURLsToAbsolute(html, prefix string) string {
 	}
 
 	return relativeAnchorURLRegex.ReplaceAllStringFunc(html, func(match string) string {
-		return strings.Replace(match, "href=\"/", "href=\""+prefix, 1)
+		// Extract the URL from the match
+		url := strings.TrimPrefix(match, `href="`)
+		url = strings.TrimSuffix(url, `"`)
+
+		// If the URL already has the desired prefix, return the match as is
+		if strings.HasPrefix(url, prefix) {
+			return match
+		}
+
+		// Otherwise, prepend the prefix
+		return strings.Replace(match, `href="/`, `href="`+prefix, 1)
 	})
 }
diff --git a/src/utils/links_test.go b/src/utils/links_test.go
index 0c08209..9b950f2 100644
--- a/src/utils/links_test.go
+++ b/src/utils/links_test.go
@@ -77,10 +77,12 @@ var sampleRelativeAnchorURLsInput = `<aside class="s-notice s-notice__info post-
                 <a href="https://notopensource.stackexchange.com/users/1212/amon" target="_blank" rel="noopener noreferrer">amon</a>
             </div>
         </div>
+
+		<a href="/exchange/opensource/9999/1111">This shouldn't be re-prefixed</a>
 `
 
 func TestConvertRelativeAnchorURLsToAbsolute(t *testing.T) {
-	prefix := "https://opensource.stackexchange.com"
+	prefix := "/exchange/opensource"
 	fixedHTML := ConvertRelativeAnchorURLsToAbsolute(sampleRelativeAnchorURLsInput, prefix)
 
 	log.Println(fixedHTML)