diff --git a/C4/ImportExportFramework.pm b/C4/ImportExportFramework.pm
index ea4884f12d..9352dad201 100644
--- a/C4/ImportExportFramework.pm
+++ b/C4/ImportExportFramework.pm
@@ -977,6 +977,9 @@ sub _import_table_csv
                     } elsif ($fields->[$j] eq 'frameworkcode' && $value ne $frameworkcode) {
                         $dataFields{$fields->[$j]} = $frameworkcode;
                         push @values, $frameworkcode;
+                    } elsif ($fields->[$j] eq 'isurl' && defined $value && $value eq q{}) {
+                        $dataFields{$fields->[$j]} = undef;
+                        push @values, undef;
                     } else {
                         $dataFields{$fields->[$j]} = $value;
                         push @values, $value;
@@ -1094,7 +1097,12 @@ sub _getDataFields
             if ($ok) {
                 $data //= '';
                 $data = '' if ($data eq '#');
-                $data = $frameworkcode if ($fields->[$i] eq 'frameworkcode');
+                if ( $fields->[$i] eq 'frameworkcode' ) {
+                    $data = $frameworkcode;
+                }
+                elsif ( $fields->[$i] eq 'isurl' ) {
+                    $data = undef if defined $data && $data eq q{};
+                }
                 $dataFields->{$fields->[$i]} = $data;
                 push @dataFieldsA, $data;
                 $i++;
diff --git a/t/db_dependent/data/frameworks/biblio_framework.csv b/t/db_dependent/data/frameworks/biblio_framework.csv
index 20ae097d32..a47b1c2b2d 100644
--- a/t/db_dependent/data/frameworks/biblio_framework.csv
+++ b/t/db_dependent/data/frameworks/biblio_framework.csv
@@ -7,7 +7,7 @@
 "#-#","#-#","#-#","#-#","#-#","#-#","#-#"
 
 "tagfield","tagsubfield","liblibrarian","libopac","repeatable","mandatory","kohafield","tab","authorised_value","authtypecode","value_builder","isurl","hidden","frameworkcode","seealso","link","defaultvalue","maxlength"
-"000","@","fixed length control field","fixed length control field","0","1","","0","","","marc21_leader.pl","0","0","","","","","24"
+"000","@","fixed length control field","fixed length control field","0","1","","0","","","marc21_leader.pl","","0","","","","","24"
 "001","@","control field","control field","0","0","","0","","","","0","0","","","","","9999"
 "003","@","control field","control field","0","1","","0","","","marc21_orgcode.pl","0","0","","","","","9999"
 "005","@","control field","control field","0","1","","0","","","marc21_field_005.pl","0","0","","","","","9999"