diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index c6e96b842f..d16e7b8fac 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -74,7 +74,9 @@ SCHEMAS = [
 
 # Remember to update this number every time an incompatible change is made to
 # database schema files, so the users will be informed on server restarts.
-SCHEMA_VERSION = 12
+SCHEMA_VERSION = 13
+
+dir_path = os.path.abspath(os.path.dirname(__file__))
 
 
 class _RollbackButIsFineException(Exception):
@@ -583,7 +585,6 @@ def schema_path(schema):
         A filesystem path pointing at a ".sql" file.
 
     """
-    dir_path = os.path.dirname(__file__)
     schemaPath = os.path.join(dir_path, "schema", schema + ".sql")
     return schemaPath
 
diff --git a/synapse/storage/schema/delta/v14.sql b/synapse/storage/schema/delta/v13.sql
similarity index 100%
rename from synapse/storage/schema/delta/v14.sql
rename to synapse/storage/schema/delta/v13.sql