diff --git a/kroki/plugin.py b/kroki/plugin.py
index b4ede8b..1769840 100644
--- a/kroki/plugin.py
+++ b/kroki/plugin.py
@@ -18,7 +18,7 @@ def on_config(self, config: MkDocsConfig) -> MkDocsConfig:
             self.config.FileTypes,
             self.config.FileTypeOverrides,
             blockdiag_enabled=self.config.EnableBlockDiag,
-            bpmn_enabled=self.config.Enablebpmn,
+            bpmn_enabled=self.config.EnableBpmn,
             excalidraw_enabled=self.config.EnableExcalidraw,
             mermaid_enabled=self.config.EnableMermaid,
             diagramsnet_enabled=self.config.EnableDiagramsnet,