diff --git a/src/ol/source/Raster.js b/src/ol/source/Raster.js
index e02dd0e853..b8394dd7b5 100644
--- a/src/ol/source/Raster.js
+++ b/src/ol/source/Raster.js
@@ -797,6 +797,7 @@ class RasterSource extends ImageSource {
     if (this.processor_) {
       this.processor_.dispose();
     }
+    super.disposeInternal();
   }
 }