diff --git a/src/notifications.rs b/src/notifications.rs
index fe3421d..14f35d9 100644
--- a/src/notifications.rs
+++ b/src/notifications.rs
@@ -164,9 +164,12 @@ impl NotificationManager {
                 // Beautify media labels with emojis
                 let beautified = Self::beautify_media_labels(text);
 
-                // Limit preview length
-                if beautified.len() > 150 {
-                    format!("{}...", &beautified[..147])
+                // Limit preview length (use char count, not byte count for UTF-8 safety)
+                const MAX_PREVIEW_CHARS: usize = 147;
+                let char_count = beautified.chars().count();
+                if char_count > MAX_PREVIEW_CHARS {
+                    let truncated: String = beautified.chars().take(MAX_PREVIEW_CHARS).collect();
+                    format!("{}...", truncated)
                 } else {
                     beautified
                 }