diff --git a/moto/redshift/responses.py b/moto/redshift/responses.py
index ba28b134..48f113cf 100644
--- a/moto/redshift/responses.py
+++ b/moto/redshift/responses.py
@@ -122,6 +122,10 @@ class RedshiftResponse(BaseResponse):
         cluster_subnet_group_name = self._get_param('ClusterSubnetGroupName')
         description = self._get_param('Description')
         subnet_ids = self._get_multi_param('SubnetIds.member')
+        # There's a bug in boto3 where the subnet ids are not passed
+        # according to the AWS documentation
+        if not subnet_ids:
+            subnet_ids = self._get_multi_param('SubnetIds.SubnetIdentifier')
 
         subnet_group = self.redshift_backend.create_cluster_subnet_group(
             cluster_subnet_group_name=cluster_subnet_group_name,
diff --git a/tests/test_redshift/test_redshift.py b/tests/test_redshift/test_redshift.py
index 045e3024..aff3e8be 100644
--- a/tests/test_redshift/test_redshift.py
+++ b/tests/test_redshift/test_redshift.py
@@ -11,7 +11,10 @@ from boto.redshift.exceptions import (
 )
 import sure  # noqa
 
-from moto import mock_ec2_deprecated, mock_redshift_deprecated, mock_redshift
+from moto import mock_ec2
+from moto import mock_ec2_deprecated
+from moto import mock_redshift
+from moto import mock_redshift_deprecated
 
 
 @mock_redshift
@@ -153,6 +156,32 @@ def test_create_cluster_in_subnet_group():
     cluster['ClusterSubnetGroupName'].should.equal('my_subnet_group')
 
 
+@mock_redshift
+@mock_ec2
+def test_create_cluster_in_subnet_group_boto3():
+    ec2 = boto3.resource('ec2', region_name='us-east-1')
+    vpc = ec2.create_vpc(CidrBlock='10.0.0.0/16')
+    subnet = ec2.create_subnet(VpcId=vpc.id, CidrBlock='10.0.0.0/24')
+    client = boto3.client('redshift', region_name='us-east-1')
+    client.create_cluster_subnet_group(
+        ClusterSubnetGroupName='my_subnet_group',
+        Description='This is my subnet group',
+        SubnetIds=[subnet.id]
+    )
+
+    client.create_cluster(
+        ClusterIdentifier="my_cluster",
+        NodeType="dw.hs1.xlarge",
+        MasterUsername="username",
+        MasterUserPassword="password",
+        ClusterSubnetGroupName='my_subnet_group',
+    )
+
+    cluster_response = client.describe_clusters(ClusterIdentifier="my_cluster")
+    cluster = cluster_response['Clusters'][0]
+    cluster['ClusterSubnetGroupName'].should.equal('my_subnet_group')
+
+
 @mock_redshift_deprecated
 def test_create_cluster_with_security_group():
     conn = boto.redshift.connect_to_region("us-east-1")