diff --git a/.gitattributes b/.gitattributes
index f4cef0f2e7f51e0c8bcffd0dd6db09f03d920399..508c3720029925d9edebd1cf7e7f99d51932c452 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -2148,6 +2148,7 @@ cosmogramme/sql/patch/patch_160.sql -text
 cosmogramme/sql/patch/patch_161.sql -text
 cosmogramme/sql/patch/patch_162.sql -text
 cosmogramme/sql/patch/patch_163.sql -text
+cosmogramme/sql/patch/patch_164.sql -text
 cosmogramme/storm_init.php -text
 cosmogramme/tests/bootstrap.php -text
 cosmogramme/tests/php/classes/IndexationTest.php -text
diff --git a/cosmogramme/sql/patch/patch_164.sql b/cosmogramme/sql/patch/patch_164.sql
new file mode 100644
index 0000000000000000000000000000000000000000..240da8d5a9655964f2428efa989d07c89a238d17
--- /dev/null
+++ b/cosmogramme/sql/patch/patch_164.sql
@@ -0,0 +1,2 @@
+update bib_admin_var set clef='FACETTE_PCDM4_LIBELLE' where clef='PCDM4_LIB'; 
+update bib_admin_var set clef='FACETTE_DEWEY_LIBELLE' where clef='DEWEY_LIB';