diff --git a/clickstack/librechat-llm-observability/Dockerfile.mcp b/clickstack/librechat-llm-observability/Dockerfile.mcp
index adb4b37..6688f20 100644
--- a/clickstack/librechat-llm-observability/Dockerfile.mcp
+++ b/clickstack/librechat-llm-observability/Dockerfile.mcp
@@ -12,4 +12,4 @@ RUN python3 -m pip uninstall -y pip_system_certs
 RUN mkdir -p /app/logs
 
 # Redirect stdout and stderr to a file
-CMD sh -c "OTEL_EXPORTER_OTLP_HEADERS='authorization=$HYPERDX_API_KEY' opentelemetry-instrument python3 -m mcp_clickhouse.main >> /app/logs/mcp.log 2>&1"
+CMD sh -c "OTEL_EXPORTER_OTLP_HEADERS='authorization=$CLICKSTACK_API_KEY' opentelemetry-instrument python3 -m mcp_clickhouse.main >> /app/logs/mcp.log 2>&1"