diff --git a/crates/hir-def/src/macro_expansion_tests/mbe.rs b/crates/hir-def/src/macro_expansion_tests/mbe.rs
index 57dc50fb70d..f2046bfbce4 100644
--- a/crates/hir-def/src/macro_expansion_tests/mbe.rs
+++ b/crates/hir-def/src/macro_expansion_tests/mbe.rs
@@ -1219,7 +1219,7 @@ macro_rules! m {
     ($(#[$m:meta])+) => ( $(#[$m])+ fn bar() {} )
 }
 #[doc = r" Single Line Doc 1"]
-#[doc = "
+#[doc = r"
         MultiLines Doc
     "] fn bar() {}
 "##]],