diff --git a/src/canvas.js b/src/canvas.js
index 131db979d..09300a672 100644
--- a/src/canvas.js
+++ b/src/canvas.js
@@ -17,7 +17,8 @@ var TextRenderingMode = {
   ADD_TO_PATH: 7
 };
 
-var MIN_FONT_SIZE = 8;
+// Minimal font size that would be used during canvas fillText operations.
+var MIN_FONT_SIZE = 5;
 
 var CanvasExtraState = (function CanvasExtraStateClosure() {
   function CanvasExtraState(old) {