diff --git a/extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/FastBootHibernatePersistenceProvider.java b/extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/FastBootHibernatePersistenceProvider.java
index 34858d5c20b04..e57ed4a5f33dd 100644
--- a/extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/FastBootHibernatePersistenceProvider.java
+++ b/extensions/hibernate-orm/runtime/src/main/java/io/quarkus/hibernate/orm/runtime/FastBootHibernatePersistenceProvider.java
@@ -340,6 +340,9 @@ private static void injectRuntimeConfiguration(String persistenceUnitName,
             runtimeSettingsBuilder.put(AvailableSettings.HBM2DDL_HALT_ON_ERROR, "true");
         }
 
+        //Never append on existing scripts:
+        runtimeSettingsBuilder.put(AvailableSettings.HBM2DDL_SCRIPTS_CREATE_APPEND, "false");
+
         runtimeSettingsBuilder.put(AvailableSettings.HBM2DDL_SCRIPTS_ACTION,
                 persistenceUnitConfig.scripts.generation.generation);