diff --git a/crates/hir-expand/src/eager.rs b/crates/hir-expand/src/eager.rs
index ef7200f615..1e2722e846 100644
--- a/crates/hir-expand/src/eager.rs
+++ b/crates/hir-expand/src/eager.rs
@@ -73,7 +73,7 @@ pub fn expand_eager_macro_input(
         )
     };
     let err = parse_err.or(err);
-    if cfg!(debug) {
+    if cfg!(debug_assertions) {
         arg_map.finish();
     }