2 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index b1bed9602f3..6210003a40d 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -1101,6 +1101,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
             ast::ItemKind::Mod(ast::Mod {
                 inner: inner_span,
                 items,
+                inline: true
             })
         )
     }
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 87c53d16875..52322e98d46 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -303,6 +303,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
                 krate.module = ast::Mod {
                     inner: orig_mod_span,
                     items: vec![],
+                    inline: true,
                 };
             },
             _ => unreachable!(),