diff --git a/crates/notedeck_columns/src/post.rs b/crates/notedeck_columns/src/post.rs
index e99cc21..8bb624c 100644
--- a/crates/notedeck_columns/src/post.rs
+++ b/crates/notedeck_columns/src/post.rs
@@ -132,7 +132,7 @@ impl NewPost {
         for word in content.split_whitespace() {
             if word.starts_with('#') && word.len() > 1 {
                 let tag = word[1..]
-                    .trim_end_matches(|c: char| !c.is_alphanumeric())
+                    .trim_end_matches(|c: char| c.is_ascii_punctuation())
                     .to_lowercase();
                 if !tag.is_empty() {
                     hashtags.insert(tag);