diff --git a/src/ol/render/canvas/canvasreplay.js b/src/ol/render/canvas/canvasreplay.js
index 076f8dabd1..d5cd9b7035 100644
--- a/src/ol/render/canvas/canvasreplay.js
+++ b/src/ol/render/canvas/canvasreplay.js
@@ -1577,8 +1577,8 @@ ol.render.canvas.TextReplay.prototype.drawText =
   var myBegin = this.coordinates.length;
   var myEnd =
       this.appendFlatCoordinates(flatCoordinates, offset, end, stride, false);
-  var fill = this.textFillState_;
-  var stroke = this.textStrokeState_;
+  var fill = !!this.textFillState_;
+  var stroke = !!this.textStrokeState_;
   var drawTextInstruction = [
     ol.render.canvas.Instruction.DRAW_TEXT, myBegin, myEnd, this.text_,
     this.textOffsetX_, this.textOffsetY_, this.textRotation_, this.textScale_,