diff --git a/src/ol/layer/WebGLTile.js b/src/ol/layer/WebGLTile.js
index 64c4b1167e..6cf7a9c90c 100644
--- a/src/ol/layer/WebGLTile.js
+++ b/src/ol/layer/WebGLTile.js
@@ -390,7 +390,9 @@ class WebGLTileLayer extends BaseTileLayer {
    * @private
    */
   handleSourceUpdate_() {
-    this.setStyle(this.style_);
+    if (this.getSource()) {
+      this.setStyle(this.style_);
+    }
   }
 
   /**