diff --git a/lib/pdfcanvas.js b/lib/pdfcanvas.js
index 930dd4f2..0ce619a0 100644
--- a/lib/pdfcanvas.js
+++ b/lib/pdfcanvas.js
@@ -271,7 +271,7 @@ export default class CanvasRenderingContext2D_ {
 	}
 
 	measureText(text) {
-		nodeUtil.warn("to be implemented: contextPrototype.measureText - ", text);
+		nodeUtil.p2jwarn("to be implemented: contextPrototype.measureText - ", text);
 		const chars = text.length || 1;
 		return { width: chars * (this.currentFont.spaceWidth || 5) };
 	}
@@ -286,7 +286,7 @@ export default class CanvasRenderingContext2D_ {
 	}
 
 	clearRect() {
-		nodeUtil.warn("to be implemented: contextPrototype.clearRect");
+		nodeUtil.p2jwarn("to be implemented: contextPrototype.clearRect");
 	}
 
 	beginPath() {