diff --git a/common/changes/@itwin/core-geometry/fix-geom-barrel_2022-02-25-23-37.json b/common/changes/@itwin/core-geometry/fix-geom-barrel_2022-02-25-23-37.json
new file mode 100644
index 000000000000..9d7216f28509
--- /dev/null
+++ b/common/changes/@itwin/core-geometry/fix-geom-barrel_2022-02-25-23-37.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-geometry",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-geometry"
+}
\ No newline at end of file
diff --git a/core/geometry/package.json b/core/geometry/package.json
index 7e9a144d0df1..69c7a83214d6 100644
--- a/core/geometry/package.json
+++ b/core/geometry/package.json
@@ -7,7 +7,9 @@
   "typings": "lib/cjs/core-geometry",
   "imodeljsSharedLibrary": true,
   "license": "MIT",
-  "sideEffects": false,
+  "sideEffects": [
+    "./lib/esm/core-geometry.js"
+  ],
   "scripts": {
     "build": "npm run -s build:cjs",
     "build:ci": "npm run -s build && npm run -s build:esm",
@@ -71,4 +73,4 @@
       "@typescript-eslint/indent": "off"
     }
   }
-}
+}
\ No newline at end of file