diff --git a/jOOQ-meta/src/main/java/org/jooq/util/h2/H2RoutineDefinition.java b/jOOQ-meta/src/main/java/org/jooq/util/h2/H2RoutineDefinition.java
index 01f0564e2f..ade79ef5de 100644
--- a/jOOQ-meta/src/main/java/org/jooq/util/h2/H2RoutineDefinition.java
+++ b/jOOQ-meta/src/main/java/org/jooq/util/h2/H2RoutineDefinition.java
@@ -97,6 +97,10 @@ public class H2RoutineDefinition extends AbstractRoutineDefinition {
                 .from(FUNCTION_COLUMNS)
                 .where(FunctionColumns.ALIAS_SCHEMA.equal(getSchema().getName()))
                 .and(FunctionColumns.ALIAS_NAME.equal(getName()))
+
+                // [#4193] recent versions of H2 produce a row for the function
+                // return value at position 0
+                .and(FunctionColumns.POS.gt(0))
                 .orderBy(FunctionColumns.POS.asc()).fetch()) {
 
             String paramName = record.getValue(FunctionColumns.COLUMN_NAME);