diff --git a/ApplicationCode/Commands/RicFaciesPropertiesImportTools.cpp b/ApplicationCode/Commands/RicFaciesPropertiesImportTools.cpp
index 923bac7b7f..c7ae5a990e 100644
--- a/ApplicationCode/Commands/RicFaciesPropertiesImportTools.cpp
+++ b/ApplicationCode/Commands/RicFaciesPropertiesImportTools.cpp
@@ -62,6 +62,8 @@ void RicFaciesPropertiesImportTools::importFaciesPropertiesFromFile( const QStri
         faciesProperties = new RimFaciesProperties;
     }
 
+    faciesProperties->clearFaciesCodeNames();
+
     for ( auto it : codeNames )
     {
         faciesProperties->setFaciesCodeName( it.first, it.second );
diff --git a/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.cpp b/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.cpp
index 40ddefbcd4..6a3abdcc38 100644
--- a/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.cpp
+++ b/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.cpp
@@ -96,6 +96,15 @@ void RimFaciesProperties::setFaciesCodeName( int code, const QString& name )
     m_propertiesTable       = generatePropertiesTable();
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RimFaciesProperties::clearFaciesCodeNames()
+{
+    m_faciesCodeNames.clear();
+    m_propertiesTable = generatePropertiesTable();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.h b/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.h
index 41dc5bfef6..7b8614c9cb 100644
--- a/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.h
+++ b/ApplicationCode/ProjectDataModel/StimPlanModel/RimFaciesProperties.h
@@ -47,6 +47,7 @@ public:
     void    setFilePath( const QString& filePath );
 
     void setFaciesCodeName( int code, const QString& name );
+    void clearFaciesCodeNames();
 
     void setEclipseCase( RimEclipseCase* eclipseCase );