1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir_def/src/diagnostics.rs b/crates/ra_hir_def/src/diagnostics.rs
index 095498429..cfa0f2f76 100644
--- a/crates/ra_hir_def/src/diagnostics.rs
+++ b/crates/ra_hir_def/src/diagnostics.rs
@@ -20,7 +20,7 @@ impl Diagnostic for UnresolvedModule {
         "unresolved module".to_string()
     }
     fn source(&self) -> InFile<SyntaxNodePtr> {
-        InFile { file_id: self.file, value: self.decl.into() }
+        InFile { file_id: self.file, value: self.decl.clone().into() }
     }
     fn as_any(&self) -> &(dyn Any + Send + 'static) {
         self