diff --git a/lib/charts.js b/lib/charts.js
index a696670..0ab7147 100644
--- a/lib/charts.js
+++ b/lib/charts.js
@@ -273,7 +273,11 @@ function renderChart(width, height, backgroundColor, devicePixelRatio, untrusted
     },
   });
 
-  const canvasRenderService = new CanvasRenderService(width, height);
+  const canvasRenderService = new CanvasRenderService(width, height, ChartJS => {
+    if (process.env.CHART_FONT_FAMILY) {
+      ChartJS.defaults.global.defaultFontFamily = `${process.env.CHART_FONT_FAMILY}`;
+    }
+  });
 
   try {
     return canvasRenderService.renderToBuffer(chart);