diff --git a/ApplicationLibCode/ProjectDataModel/Intersections/RimIntersectionEnums.cpp b/ApplicationLibCode/ProjectDataModel/Intersections/RimIntersectionEnums.cpp
index d58424d98d..b7706717bc 100644
--- a/ApplicationLibCode/ProjectDataModel/Intersections/RimIntersectionEnums.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Intersections/RimIntersectionEnums.cpp
@@ -28,7 +28,7 @@ void caf::AppEnum<RimIntersectionFilterEnum>::setUp()
     addItem( RimIntersectionFilterEnum::INTERSECT_FILTER_NONE, "INTERSECT_SHOW_ALL", "Disabled" );
     addItem( RimIntersectionFilterEnum::INTERSECT_FILTER_ABOVE, "INTERSECT_SHOW_ABOVE", "Above" );
     addItem( RimIntersectionFilterEnum::INTERSECT_FILTER_BELOW, "INTERSECT_SHOW_BELOW", "Below" );
-    addItem( RimIntersectionFilterEnum::INTERSECT_FILTER_BETWEEN, "INTERSECT_SHOW_BELOW", "Between" );
+    addItem( RimIntersectionFilterEnum::INTERSECT_FILTER_BETWEEN, "INTERSECT_SHOW_BETWEEN", "Between" );
     setDefault( RimIntersectionFilterEnum::INTERSECT_FILTER_BETWEEN );
 }
 
diff --git a/ApplicationLibCode/ProjectDataModel/RimGridCalculation.cpp b/ApplicationLibCode/ProjectDataModel/RimGridCalculation.cpp
index 783923099d..9dbb3b2fa8 100644
--- a/ApplicationLibCode/ProjectDataModel/RimGridCalculation.cpp
+++ b/ApplicationLibCode/ProjectDataModel/RimGridCalculation.cpp
@@ -80,7 +80,7 @@ void caf::AppEnum<RimGridCalculation::AdditionalCasesType>::setUp()
     addItem( RimGridCalculation::AdditionalCasesType::NONE, "NONE", "None" );
     addItem( RimGridCalculation::AdditionalCasesType::GRID_CASE_GROUP, "GRID_CASE_GROUP", "Case Group" );
     addItem( RimGridCalculation::AdditionalCasesType::ENSEMBLE, "ENSEMBLE", "Ensemble" );
-    addItem( RimGridCalculation::AdditionalCasesType::ALL_CASES, "NONE", "All Cases" );
+    addItem( RimGridCalculation::AdditionalCasesType::ALL_CASES, "ALL_CASES", "All Cases" );
     setDefault( RimGridCalculation::AdditionalCasesType::NONE );
 }
 }; // namespace caf
diff --git a/Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafAppEnum.cpp b/Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafAppEnum.cpp
index 4589bd304f..44a7d59c38 100644
--- a/Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafAppEnum.cpp
+++ b/Fwk/AppFwk/cafProjectDataModel/cafPdmCore/cafAppEnum.cpp
@@ -74,6 +74,13 @@ void AppEnumMapperBase::addItem( int enumVal, const QString& text, QString uiTex
     // https://github.com/OPM/ResInsight/issues/14404
     CAF_ASSERT( !containsWhitespace( text.trimmed() ) );
 
+    // Make sure the serialization text is unique for the enum, otherwise two enum values would read back
+    // as the same value from XML (see https://github.com/OPM/ResInsight/issues/14654)
+    for ( const auto& enumData : m_mapping )
+    {
+        CAF_ASSERT( !enumData.isMatching( text.trimmed() ) );
+    }
+
     // Make sure the alias text is unique for enum
     for ( const auto& alias : aliases )
     {