diff --git a/sqlalchemy_monetdb/monetdb_types.py b/sqlalchemy_monetdb/monetdb_types.py
index 028a0fb..b331c56 100644
--- a/sqlalchemy_monetdb/monetdb_types.py
+++ b/sqlalchemy_monetdb/monetdb_types.py
@@ -16,7 +16,7 @@ class WRD(sqltypes.Integer):
 
 
 class DOUBLE_PRECISION(sqltypes.Float):
-    __visit_name__ = 'DOUBLE PRECISION'
+    __visit_name__ = 'DOUBLE_PRECISION'
 
 
 class TINYINT(sqltypes.Integer):