diff --git a/diskimage_builder/block_device/level0/localloop.py b/diskimage_builder/block_device/level0/localloop.py
index bfdd7106..79cc42cf 100644
--- a/diskimage_builder/block_device/level0/localloop.py
+++ b/diskimage_builder/block_device/level0/localloop.py
@@ -132,7 +132,7 @@ class LocalLoopNode(NodeBase):
 class LocalLoop(PluginBase):
 
     def __init__(self, config, defaults):
-        super(PluginBase, self).__init__()
+        super(LocalLoop, self).__init__()
         self.node = LocalLoopNode(config, defaults)
 
     def get_nodes(self):
diff --git a/diskimage_builder/block_device/tests/plugin/test_a.py b/diskimage_builder/block_device/tests/plugin/test_a.py
index cb8ba523..4075e833 100644
--- a/diskimage_builder/block_device/tests/plugin/test_a.py
+++ b/diskimage_builder/block_device/tests/plugin/test_a.py
@@ -42,7 +42,7 @@ class TestANode(NodeBase):
 class TestA(PluginBase):
 
     def __init__(self, config, defaults):
-        super(PluginBase, self).__init__()
+        super(TestA, self).__init__()
         self.node = TestANode(config['name'])
 
     def get_nodes(self):
diff --git a/diskimage_builder/block_device/tests/plugin/test_b.py b/diskimage_builder/block_device/tests/plugin/test_b.py
index aeed742e..bfcc226f 100644
--- a/diskimage_builder/block_device/tests/plugin/test_b.py
+++ b/diskimage_builder/block_device/tests/plugin/test_b.py
@@ -39,7 +39,7 @@ class TestBNode(NodeBase):
 class TestB(PluginBase):
 
     def __init__(self, config, defaults):
-        super(PluginBase, self).__init__()
+        super(TestB, self).__init__()
         self.node = TestBNode(config['name'],
                               config['base'])