diff --git a/lib/clangimport.cpp b/lib/clangimport.cpp
index 31fd74e50..012bb0537 100644
--- a/lib/clangimport.cpp
+++ b/lib/clangimport.cpp
@@ -1558,6 +1558,7 @@ void clangimport::parseClangAstDump(Tokenizer *tokenizer, std::istream &f)
             throw InternalError(tok, "Token::link() is not set properly");
     }
 
+    tokenList->front()->assignIndexes();
     symbolDatabase->clangSetVariables(data.getVariableList());
     symbolDatabase->createSymbolDatabaseExprIds();
     tokenList->clangSetOrigFiles();