diff --git a/ThirdParty/Ert/lib/ecl/ecl_file_view.cpp b/ThirdParty/Ert/lib/ecl/ecl_file_view.cpp
index f8fdd15999..5160293064 100644
--- a/ThirdParty/Ert/lib/ecl/ecl_file_view.cpp
+++ b/ThirdParty/Ert/lib/ecl/ecl_file_view.cpp
@@ -169,6 +169,10 @@ void ecl_file_view_index_fload_kw(const ecl_file_view_type * ecl_file_view, cons
         int element_count = ecl_file_kw_get_size(file_kw);
 
         ecl_kw_fread_indexed_data(ecl_file_view->fortio, offset + ECL_KW_HEADER_FORTIO_SIZE, data_type, element_count, index_map, io_buffer);
+
+        if (ecl_file_view_flags_set(ecl_file_view, ECL_FILE_CLOSE_STREAM))
+          fortio_fclose_stream(ecl_file_view->fortio);
+
     }
 }