diff --git a/chart/templates/deployment.yaml b/chart/templates/deployment.yaml
index c1afabf..4921ea2 100644
--- a/chart/templates/deployment.yaml
+++ b/chart/templates/deployment.yaml
@@ -151,7 +151,7 @@ spec:
         - name: homeassistant-mcp
           image: "{{ .Values.mcpSidecars.homeassistant.image.repository }}:{{ .Values.mcpSidecars.homeassistant.image.tag }}"
           imagePullPolicy: Always
-          command: ["fastmcp", "run", "fastmcp-sse.json"]
+          command: ["fastmcp", "run", "ha_mcp.main:app", "--transport", "sse", "--sse-server-host", "0.0.0.0", "--sse-server-port", "{{ .Values.mcpSidecars.homeassistant.port }}"]
           ports:
             - name: homeassistant
               containerPort: {{ .Values.mcpSidecars.homeassistant.port }}