diff --git a/src/SymbolTable.cc b/src/SymbolTable.cc
index bc2ab9ee5c9ccf0b2d86f5293e4f96d0b322e9ad..ffec4f83b79ab075cc765cf7cd49c2bfd003df59 100644
--- a/src/SymbolTable.cc
+++ b/src/SymbolTable.cc
@@ -591,7 +591,7 @@ SymbolTable::addUnaryOpAuxiliaryVar(int index, expr_t expr_arg, string unary_op,
       exit(EXIT_FAILURE);
     }
 
-  AuxVarInfo aux_var_info = {symb_id, AuxVarType::unaryOp, move(orig_symb_id), move(orig_lag), 0, 0, expr_arg, unary_op);
+  AuxVarInfo aux_var_info = {symb_id, AuxVarType::unaryOp, move(orig_symb_id), move(orig_lag), 0, 0, expr_arg, unary_op};
   aux_vars.emplace_back(aux_var_info);
 
   return symb_id;