diff --git a/SWADroid/src/es/ugr/swad/swadroid/model/DataBaseHelper.java b/SWADroid/src/es/ugr/swad/swadroid/model/DataBaseHelper.java
index 231d8224..613422a2 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/model/DataBaseHelper.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/model/DataBaseHelper.java
@@ -797,6 +797,7 @@ public class DataBaseHelper {
     	emptyTable(Global.DB_TABLE_TEST_CONFIG);
     	emptyTable(Global.DB_TABLE_TEST_QUESTIONS);
     	emptyTable(Global.DB_TABLE_TEST_TAGS);
+    	compactDB();
     }
 	
 	/**