diff --git a/crates/hir_def/src/diagnostics.rs b/crates/hir_def/src/diagnostics.rs
index ad3b6bf26b7..c9c08b01f80 100644
--- a/crates/hir_def/src/diagnostics.rs
+++ b/crates/hir_def/src/diagnostics.rs
@@ -102,7 +102,7 @@ fn code(&self) -> DiagnosticCode {
     }
     fn message(&self) -> String {
         // FIXME: say *why* it is configured out
-        "configured out".to_string()
+        "code is inactive due to #[cfg] directives".to_string()
     }
     fn display_source(&self) -> InFile<SyntaxNodePtr> {
         InFile::new(self.file, self.node.clone())