diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index f4cae89..d825a40 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -868,7 +868,8 @@
   for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end();
        I!=E; ++I) {
     Decl *subDecl = *I;
-    if (!subDecl || subDecl->getLexicalDeclContext() != D)
+    if (!subDecl || subDecl->getLexicalDeclContext() != D ||
+        subDecl->getLocStart().isInvalid())
       continue;
     DeclsInContainer.push_back(subDecl);
   }