diff --git a/simplesqlite/core.py b/simplesqlite/core.py
index <HASH>..<HASH> 100644
--- a/simplesqlite/core.py
+++ b/simplesqlite/core.py
@@ -126,6 +126,8 @@ class SimpleSQLite(object):
         if isinstance(database_src, SimpleSQLite):
             self.__connection = database_src.connection
             self.__database_path = database_src.database_path
+
+            self.debug_query = database_src.debug_query
             return
 
         if isinstance(database_src, sqlite3.Connection):
Modify to passing debug_query flag