diff --git a/pglogical/hooks.py b/pglogical/hooks.py
index 8910feba..ba992634 100644
--- a/pglogical/hooks.py
+++ b/pglogical/hooks.py
@@ -20,6 +20,7 @@ def schema_qualify(parsed_query, schema="public"):
     token_iterator = parsed_query.flatten()
     Name = sqlparse.tokens.Name
     Punctuation = sqlparse.tokens.Punctuation
+    Symbol = sqlparse.tokens.String.Symbol
     is_qualified = False
     for token in token_iterator:
         yield token
@@ -39,7 +40,7 @@ def schema_qualify(parsed_query, schema="public"):
                 yield next_token
             if not next_token:
                 continue
-            if next_token.ttype != Name:
+            if next_token.ttype not in (Name, Symbol):
                 yield next_token
                 continue
 
diff --git a/pglogical/tests/test_pglogical.py b/pglogical/tests/test_pglogical.py
index f3e0f8f6..fc384d3b 100644
--- a/pglogical/tests/test_pglogical.py
+++ b/pglogical/tests/test_pglogical.py
@@ -124,11 +124,15 @@ class TestPglogical(TransactionCase):
                 RETURNS NULL ON NULL INPUT''',
                 'drop table',
                 "alter table 'test'",
+                'ALTER TABLE "testtable" ADD COLUMN "test_field" double precision',
         ):
             qualified_query = ''.join(
                 ''.join(str(token) for token in schema_qualify(parsed_query))
                 for parsed_query in sqlparse.parse(statement)
             )
             self.assertEqual(
-                qualified_query, statement.replace('testtable', 'public.testtable')
+                qualified_query,
+                statement.replace('testtable', 'public.testtable').replace(
+                    '"public.testtable"', 'public."testtable"'
+                )
             )