diff --git a/jOOQ-postgres-extensions/src/main/java/org/jooq/postgres/extensions/converters/CitextConverter.java b/jOOQ-postgres-extensions/src/main/java/org/jooq/postgres/extensions/converters/CitextConverter.java
index 688b97e08a..4ad233f8d1 100644
--- a/jOOQ-postgres-extensions/src/main/java/org/jooq/postgres/extensions/converters/CitextConverter.java
+++ b/jOOQ-postgres-extensions/src/main/java/org/jooq/postgres/extensions/converters/CitextConverter.java
@@ -46,8 +46,12 @@ import org.jooq.impl.AbstractConverter;
  */
 public class CitextConverter extends AbstractConverter<Object, String> {
 
+    @SuppressWarnings({ "rawtypes", "unchecked" })
     public CitextConverter() {
-        super(Object.class, String.class);
+
+        // [#17958] citext is really a String type, though we need to continue declaring Object
+        //          as that's what generated code is expecting.
+        super((Class) String.class, String.class);
     }
 
     @Override