diff --git a/src/main/java/liquibase/ext/bigquery/diff/output/changelog/core/BigQueryChangedTableChangeGenerator.java b/src/main/java/liquibase/ext/bigquery/diff/output/changelog/core/BigQueryChangedTableChangeGenerator.java
index ac189ac8..4ccdfafc 100644
--- a/src/main/java/liquibase/ext/bigquery/diff/output/changelog/core/BigQueryChangedTableChangeGenerator.java
+++ b/src/main/java/liquibase/ext/bigquery/diff/output/changelog/core/BigQueryChangedTableChangeGenerator.java
@@ -17,13 +17,14 @@ public class BigQueryChangedTableChangeGenerator extends ChangedTableChangeGener
 
     @Override
     public int getPriority(Class<? extends DatabaseObject> objectType, Database database) {
+        if (! (database instanceof BigQueryDatabase)) {
+            return PRIORITY_NONE;
+        }
         int priority = super.getPriority(objectType, database);
         if (priority == PRIORITY_NONE) {
             return priority;
         }
-        if (database instanceof BigQueryDatabase) {
-            priority += PRIORITY_DATABASE;
-        }
+        priority += PRIORITY_DATABASE;
         return priority;
     }