diff --git a/opm/input/eclipse/EclipseState/InitConfig/Equil.hpp b/opm/input/eclipse/EclipseState/InitConfig/Equil.hpp
index 72569e830..e767aa89d 100644
--- a/opm/input/eclipse/EclipseState/InitConfig/Equil.hpp
+++ b/opm/input/eclipse/EclipseState/InitConfig/Equil.hpp
@@ -26,6 +26,8 @@ namespace Opm {
             EquilRecord( double datum_depth_arg, double datum_depth_pc_arg, double woc_depth, double woc_pc, double goc_depth, double goc_pc, bool live_oil_init, bool wet_gas_init, int target_accuracy, bool humid_gas_init);
             explicit EquilRecord(const DeckRecord& record);
 
+            static EquilRecord serializationTestObject();
+
             bool operator==(const EquilRecord& data) const;
 
             template<class Serializer>
diff --git a/src/opm/input/eclipse/EclipseState/InitConfig/Equil.cpp b/src/opm/input/eclipse/EclipseState/InitConfig/Equil.cpp
index cc1efb3c4..0fcb00864 100644
--- a/src/opm/input/eclipse/EclipseState/InitConfig/Equil.cpp
+++ b/src/opm/input/eclipse/EclipseState/InitConfig/Equil.cpp
@@ -51,6 +51,11 @@ namespace Opm {
         , humid_gas_init_proc(record.getItem<ParserKeywords::EQUIL::BLACK_OIL_INIT_HG>().get<int>(0) <= 0)
     {}
 
+    EquilRecord EquilRecord::serializationTestObject()
+    {
+        return EquilRecord{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, true, false, 1, false};
+    }
+
     double EquilRecord::datumDepth() const {
         return this->datum_depth;
     }
@@ -120,7 +125,7 @@ namespace Opm {
     Equil Equil::serializationTestObject()
     {
         Equil result;
-        result.m_records = {{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, true, false, 1, false}};
+        result.m_records = {EquilRecord::serializationTestObject()};
 
         return result;
     }