diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c
index 3aeff624b..46e9a3158 100644
--- a/src/json.hpp.re2c
+++ b/src/json.hpp.re2c
@@ -4874,9 +4874,9 @@ class basic_json
             iterator result(this);
             assert(m_value.array != nullptr);
             #if defined(__GNUC__) && __GNUC__ <= 4 && __GNUC_MINOR__ <= 8
-                 auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator);
-                 m_value.array->insert(pos.m_it.array_iterator, cnt, val);
-                 result.m_it.array_iterator = m_value.array->begin() + insert_pos;
+                auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator);
+                m_value.array->insert(pos.m_it.array_iterator, cnt, val);
+                result.m_it.array_iterator = m_value.array->begin() + insert_pos;
             #else
                 result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val);
             #endif