diff --git a/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs b/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs
index 4fc894080a..cc4bcd02b8 100644
--- a/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs
+++ b/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs
@@ -28,6 +28,7 @@ pub(crate) fn incorrect_generics_len(
         message,
         d.generics_or_segment.map(Into::into),
     )
+    .experimental()
 }
 
 #[cfg(test)]