diff --git a/aioch/result.py b/aioch/result.py
index a5b9344..52417fd 100644
--- a/aioch/result.py
+++ b/aioch/result.py
@@ -24,7 +24,7 @@ def store(self, packet):
             return
 
         # Header block contains no rows. Pick columns from it.
-        if block.rows:
+        if block.get_rows():
             if self.columnar:
                 columns = block.get_columns()
                 if self.data:
diff --git a/setup.py b/setup.py
index cd2c01f..3d67f9d 100644
--- a/setup.py
+++ b/setup.py
@@ -83,7 +83,7 @@ def read_version():
 
     packages=['aioch'],
     install_requires=[
-        'clickhouse-driver>=0.1.2'
+        'clickhouse-driver>=0.1.3'
     ],
     test_suite='nose.collector',
     tests_require=[