diff --git a/jOOQ/src/main/java/org/jooq/impl/AbstractRoutine.java b/jOOQ/src/main/java/org/jooq/impl/AbstractRoutine.java
index b7ab66e0ac..866fa16d27 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AbstractRoutine.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AbstractRoutine.java
@@ -387,7 +387,7 @@ public abstract class AbstractRoutine<T> extends AbstractQueryPart implements Ro
 
         List<Field<?>> fields = new ArrayList<Field<?>>();
         if (returnParameter != null)
-            fields.add(DSL.field(DSL.name(getName()), returnParameDSL.field(tDataType()));
+            fields.add(DSL.field(DSL.name(getName()), returnParameter.getDataType()));
         for (Parameter<?> p : outParameters)
             fields.add(DSL.field(DSL.name(p.getName()), p.getDataType()));