diff --git a/src/ol/package.json b/src/ol/package.json
index c0da2137c2..6b6935a16a 100644
--- a/src/ol/package.json
+++ b/src/ol/package.json
@@ -10,5 +10,5 @@
     "pixelworks": "1.1.0",
     "rbush": "2.0.2"
   },
-  "sideEffects": "false"
+  "sideEffects": false
 }
\ No newline at end of file