diff --git a/jOOQ/src/main/java/org/jooq/impl/Tools.java b/jOOQ/src/main/java/org/jooq/impl/Tools.java
index 652f2ba667..9e8e170f94 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Tools.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Tools.java
@@ -5043,6 +5043,10 @@ final class Tools {
             return;
         }
 
+        // [#12019] If dateAsTimestamp=true is active, we must declare a DATE instead.
+        if (type.isTimestamp() && type.getBinding() instanceof DateAsTimestampBinding)
+            type = SQLDataType.DATE;
+
         String typeName = type.getTypeName(ctx.configuration());
 
         // [#8070] Make sure VARCHAR(n) ARRAY types are generated as such in HSQLDB