diff --git a/test/test_plugin.py b/test/test_plugin.py
index 74d18db..f7bd0c7 100644
--- a/test/test_plugin.py
+++ b/test/test_plugin.py
@@ -16,7 +16,7 @@ class PluginTest(InvenTreeTestCase):
     def test_plugin_list(self):
         """Test plugin list API."""
 
-        if api.api_version < 197:
+        if self.api.api_version < 197:
             return
 
         plugins = InvenTreePlugin.list(self.api)
@@ -41,7 +41,7 @@ def test_plugin_list(self):
     def test_filter_by_active(self):
         """Filter by plugin active status."""
 
-        if api.api_version < 197:
+        if self.api.api_version < 197:
             return
 
         plugins = InvenTreePlugin.list(self.api, active=True)
@@ -55,7 +55,7 @@ def test_filter_by_active(self):
     def test_filter_by_builtin(self):
         """Filter by plugin builtin status."""
 
-        if api.api_version < 197:
+        if self.api.api_version < 197:
             return
 
         plugins = InvenTreePlugin.list(self.api, builtin=True)
@@ -67,7 +67,7 @@ def test_filter_by_builtin(self):
     def test_filter_by_mixin(self):
         """Test that we can filter by 'mixin' attribute."""
 
-        if api.api_version < 197:
+        if self.api.api_version < 197:
             return
 
         n = InvenTreePlugin.count(self.api)