diff --git a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
index e5ca9b025c..7d9f161587 100644
--- a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
+++ b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.cpp
@@ -76,7 +76,7 @@ std::pair<bool, std::string> RifFaultReactivationModelExporter::exportToStream(
         [&]() { return printBoundaryConditions( stream, *model, partNames, boundaries ); },
         [&]() { return printPredefinedFields( stream, partNames ); },
         [&]() { return printInteractions( stream, partNames, borders ); },
-        [&]() { return printSteps( stream, partNames ); },
+        [&]() { return printSteps( stream, partNames, rimModel.selectedTimeSteps() ); },
     };
 
     for ( auto method : methods )
@@ -377,16 +377,19 @@ std::pair<bool, std::string>
 //--------------------------------------------------------------------------------------------------
 std::pair<bool, std::string>
     RifFaultReactivationModelExporter::printSteps( std::ostream&                                                     stream,
-                                                   const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames )
+                                                   const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames,
+                                                   const std::vector<QDateTime>&                                     timeSteps )
 {
-    int numSteps = 2;
+    // First time step has to be selected in order to export currently
+    if ( timeSteps.size() < 2 ) return { false, "Failed to export fault reactivation INP: needs at least two time steps." };
 
-    for ( int i = 0; i < numSteps; i++ )
+    for ( int i = 0; i < static_cast<int>( timeSteps.size() ); i++ )
     {
         std::string stepNum  = std::to_string( i + 1 );
         std::string stepName = "Step-" + stepNum;
         RifInpExportTools::printComment( stream, "----------------------------------------------------------------" );
         RifInpExportTools::printSectionComment( stream, "STEP: " + stepName );
+        RifInpExportTools::printComment( stream, "Time step: " + timeSteps[i].toString().toStdString() );
 
         RifInpExportTools::printHeading( stream, "Step, name=" + stepName + ", nlgeom=NO" );
 
diff --git a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.h b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.h
index ad33af1267..8e292164b2 100644
--- a/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.h
+++ b/ApplicationLibCode/FileInterface/RifFaultReactivationModelExporter.h
@@ -62,7 +62,9 @@ class RifFaultReactivationModelExporter
     static std::pair<bool, std::string> printPredefinedFields( std::ostream& stream,
                                                                const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames );
     static std::pair<bool, std::string> printSteps( std::ostream&                                                     stream,
-                                                    const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames );
+                                                    const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames,
+                                                    const std::vector<QDateTime>&                                     timeSteps );
+
     static std::pair<bool, std::string> printInteractions( std::ostream&                                                     stream,
                                                            const std::map<RigFaultReactivationModel::GridPart, std::string>& partNames,
                                                            const std::vector<std::pair<RigGriddedPart3d::BorderSurface, std::string>>& borders );
diff --git a/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.cpp b/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.cpp
index 90fd538760..b46a18dd9d 100644
--- a/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.cpp
+++ b/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.cpp
@@ -530,6 +530,16 @@ std::vector<QDateTime> RimFaultReactivationModel::selectedTimeSteps() const
     return m_selectedTimeSteps();
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RimFaultReactivationModel::isFirstTimeStepsSelected() const
+{
+    if ( m_availableTimeSteps.empty() || selectedTimeSteps().empty() ) return false;
+
+    return m_availableTimeSteps.front() == selectedTimeSteps().front();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.h b/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.h
index ed3195b909..20ffa696cd 100644
--- a/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.h
+++ b/ApplicationLibCode/ProjectDataModel/Faults/RimFaultReactivationModel.h
@@ -100,6 +100,7 @@ class RimFaultReactivationModel : public RimCheckableNamedObject, public RimPoly
     void    setBaseDir( QString path );
 
     std::vector<QDateTime> selectedTimeSteps() const;
+    bool                   isFirstTimeStepsSelected() const;
 
     QStringList commandParameters() const;