diff --git a/lib/DB/Post.rakumod b/lib/DB/Post.rakumod
index c95eab6..983088d 100644
--- a/lib/DB/Post.rakumod
+++ b/lib/DB/Post.rakumod
@@ -62,9 +62,9 @@ method updated(--> DateTime:D) {
 #| Get the list of slugs for this post, including ones auto generated from
 #| the title, as well as any additional slugs
 method all-slugs(--> Array[Str:D]) {
-    my $title-words = self.title.lc.trim.words;
-    my $long-title-slug = $title-words.join('-');
-    my $six-word-slug = self.title.lc.words.head(6).join('-');
+    my @title-words = self.title.lc.trim.words.map(*.subst(/<-alnum>/, :g));
+    my $long-title-slug = @title-words.join('-');
+    my $six-word-slug = @title-words.head(6).join('-');
     my Str:D @slugs = @!slugs.clone;
     @slugs.push($long-title-slug);
     @slugs.push($six-word-slug);