diff --git a/src/script_opt/ZAM/OPs/indexing.op b/src/script_opt/ZAM/OPs/indexing.op
index 788ff2094b..2b028da3df 100644
--- a/src/script_opt/ZAM/OPs/indexing.op
+++ b/src/script_opt/ZAM/OPs/indexing.op
@@ -55,13 +55,12 @@ eval	EvalIndexVec($$, $1, $2)
 
 macro EvalIndexVec(lhs, rhs_vec, index)
 	auto& vv = rhs_vec->RawVec();
-	const auto& vec = vv;
 	zeek_int_t ind = index;
 	if ( ind < 0 )
 		ind += vv.size();
 	if ( ind < 0 || ind >= int(vv.size()) )
 		ERROR("no such index");
-	AssignTarget(lhs, CopyVal(*vec[ind]))
+	AssignTarget(lhs, CopyVal(*(vv[ind])))
 
 internal-op Index-VecC
 class VVi