diff --git a/src/main.rs b/src/main.rs
index 3fed8a12..4d375858 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -244,7 +244,7 @@ impl LanguageServer for Backend {
                 )),
                 completion_provider: Some(CompletionOptions {
                     resolve_provider: Some(false),
-                    trigger_characters: Some(vec!["[".into(), " ".into(), "(".into()]),
+                    trigger_characters: Some(vec!["[".into(), " ".into(), "(".into(), "#".into()]),
                     work_done_progress_options: Default::default(),
                     all_commit_characters: None,
                     completion_item: None,