diff --git a/docs/changelog.md b/docs/changelog.md
index c44249c..11403ed 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -5,6 +5,14 @@ SPDX-License-Identifier: CC-BY-4.0
 
 # Changelog of the Burn-My-Windows Extension
 
+## [Burn My Windows 30](https://github.com/schneegans/Burn-My-Windows/releases/tag/v30)
+
+**Release Date:** 2023-04-08
+
+#### Bug Fixes
+
+* Fixed yet another incompatibility with the [Compiz alike magic lamp effect](https://extensions.gnome.org/extension/3740/compiz-alike-magic-lamp-effect/).
+
 ## [Burn My Windows 29](https://github.com/schneegans/Burn-My-Windows/releases/tag/v29)
 
 **Release Date:** 2023-04-08
diff --git a/extension.js b/extension.js
index a06b6b1..50ebd16 100644
--- a/extension.js
+++ b/extension.js
@@ -166,9 +166,9 @@ class Extension {
     // if this breaks stuff left and right...
     // https://gitlab.gnome.org/GNOME/gnome-shell/-/blob/main/js/ui/windowManager.js#L1120
     Main.wm._shouldAnimateActor = function(actor, types) {
-      const caller     = (new Error()).stack.split('\n')[1];
-      const forClosing = caller.includes('_destroyWindow@');
-      const forOpening = caller.includes('_mapWindow@');
+      const stack      = (new Error()).stack;
+      const forClosing = stack.includes('_destroyWindow@');
+      const forOpening = stack.includes('_mapWindow@');
 
       // This is also called in other cases, for instance when minimizing windows. We are
       // only interested in window opening and window closing for now.