diff --git a/opm/simulators/utils/ParallelRestart.cpp b/opm/simulators/utils/ParallelRestart.cpp
index af6c7a17e..68e2e998b 100644
--- a/opm/simulators/utils/ParallelRestart.cpp
+++ b/opm/simulators/utils/ParallelRestart.cpp
@@ -1370,6 +1370,7 @@ INSTANTIATE_PACK(std::array<short,3>)
 INSTANTIATE_PACK(std::array<bool,3>)
 INSTANTIATE_PACK(std::array<int,3>)
 INSTANTIATE_PACK(std::array<double,4>)
+INSTANTIATE_PACK(std::array<double,5>)
 INSTANTIATE_PACK(std::map<std::pair<int,int>,std::pair<bool,double>>)
 INSTANTIATE_PACK(std::optional<double>)
 INSTANTIATE_PACK(std::optional<std::string>)
diff --git a/tests/test_ParallelRestart.cpp b/tests/test_ParallelRestart.cpp
index 88287cf89..3401029fb 100644
--- a/tests/test_ParallelRestart.cpp
+++ b/tests/test_ParallelRestart.cpp
@@ -578,6 +578,7 @@ TEST_FOR_TYPE_NAMED(data::GroupGuideRates, GroupGuideRates)
 TEST_FOR_TYPE_NAMED(data::GuideRateValue, GuideRateValue)
 TEST_FOR_TYPE_NAMED(data::NodeData, NodeData)
 TEST_FOR_TYPE_NAMED(data::Rates, Rates)
+TEST_FOR_TYPE_NAMED(data::SegmentPressures, SegmentPressures)
 TEST_FOR_TYPE_NAMED(data::Solution, Solution)
 TEST_FOR_TYPE(Deck)
 TEST_FOR_TYPE(DeckItem)