diff --git a/pkgs/desktops/gnome/extensions/extensionOverrides.nix b/pkgs/desktops/gnome/extensions/extensionOverrides.nix
index 81622db59c1e..d21f994a43af 100644
--- a/pkgs/desktops/gnome/extensions/extensionOverrides.nix
+++ b/pkgs/desktops/gnome/extensions/extensionOverrides.nix
@@ -12,6 +12,7 @@
 , nvme-cli
 , procps
 , pulseaudio
+, libgtop
 , python3
 , smartmontools
 , substituteAll
@@ -112,6 +113,15 @@ super: lib.trivial.pipe super [
     meta.maintainers = with lib.maintainers; [ rhoriguchi ];
   }))
 
+  (patchExtension "tophat@fflewddur.github.io" (old: {
+    patches = [
+      (substituteAll {
+        src = ./extensionOverridesPatches/tophat_at_fflewddur.github.io.patch;
+        gtop_path = "${libgtop}/lib/girepository-1.0";
+      })
+    ];
+  }))
+
   (patchExtension "unite@hardpixel.eu" (old: {
     buildInputs = [ xprop ];
 
diff --git a/pkgs/desktops/gnome/extensions/extensionOverridesPatches/tophat_at_fflewddur.github.io.patch b/pkgs/desktops/gnome/extensions/extensionOverridesPatches/tophat_at_fflewddur.github.io.patch
new file mode 100644
index 000000000000..03b016cae249
--- /dev/null
+++ b/pkgs/desktops/gnome/extensions/extensionOverridesPatches/tophat_at_fflewddur.github.io.patch
@@ -0,0 +1,13 @@
+diff --git a/extension.js b/extension.js
+index 60396f8..b044872 100644
+--- a/extension.js
++++ b/extension.js
+@@ -20,6 +20,8 @@
+ 
+ /* exported init, enable, disable */
+ 
++imports.gi.GIRepository.Repository.prepend_search_path('@gtop_path@');
++
+ let depFailures = [];
+ let missingLibs = [];
+