diff --git a/jOOQ-meta-extensions/src/main/java/org/jooq/util/ddl/DDLDatabase.java b/jOOQ-meta-extensions/src/main/java/org/jooq/util/ddl/DDLDatabase.java
index 526f7a8fd2..2de24d05b6 100644
--- a/jOOQ-meta-extensions/src/main/java/org/jooq/util/ddl/DDLDatabase.java
+++ b/jOOQ-meta-extensions/src/main/java/org/jooq/util/ddl/DDLDatabase.java
@@ -49,6 +49,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Properties;
 import java.util.Scanner;
+import java.util.UUID;
 
 import org.jooq.DSLContext;
 import org.jooq.Queries;
@@ -94,7 +95,7 @@ public class DDLDatabase extends H2Database {
                 Properties info = new Properties();
                 info.put("user", "sa");
                 info.put("password", "");
-                connection = new org.h2.Driver().connect("jdbc:h2:mem:jooq-meta-extensions", info);
+                connection = new org.h2.Driver().connect("jdbc:h2:mem:jooq-meta-extensions-" + UUID.randomUUID(), info);
 
                 InputStream in = null;
                 try {
diff --git a/jOOQ-meta-extensions/src/main/java/org/jooq/util/jpa/JPADatabase.java b/jOOQ-meta-extensions/src/main/java/org/jooq/util/jpa/JPADatabase.java
index d99f7c71a2..490490a1d8 100644
--- a/jOOQ-meta-extensions/src/main/java/org/jooq/util/jpa/JPADatabase.java
+++ b/jOOQ-meta-extensions/src/main/java/org/jooq/util/jpa/JPADatabase.java
@@ -50,6 +50,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.Properties;
+import java.util.UUID;
 
 import javax.persistence.AttributeConverter;
 import javax.persistence.Entity;
@@ -123,7 +124,7 @@ public class JPADatabase extends H2Database {
                 Properties info = new Properties();
                 info.put("user", "sa");
                 info.put("password", "");
-                connection = new org.h2.Driver().connect("jdbc:h2:mem:jooq-meta-extensions", info);
+                connection = new org.h2.Driver().connect("jdbc:h2:mem:jooq-meta-extensions-" + UUID.randomUUID(), info);
 
                 MetadataSources metadata = new MetadataSources(
                     new StandardServiceRegistryBuilder()