diff --git a/CHANGELOG.md b/CHANGELOG.md
index 613440900..57e2199f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,7 @@
 - Dev: Unsingletonize `Resources2`. (#5460)
 - Dev: All Lua globals now show in the `c2` global in the LuaLS metadata. (#5385)
 - Dev: Images are now loaded in worker threads. (#5431)
+- Dev: Fixed broken `SignalVector::operator[]` implementation. (#5556)
 - Dev: Qt Creator now auto-configures Conan when loading the project and skips vcpkg. (#5305)
 - Dev: The MSVC CRT is now bundled with Chatterino as it depends on having a recent version installed. (#5447)
 - Dev: Refactor/unsingletonize `UserDataController`. (#5459)
diff --git a/src/common/SignalVector.hpp b/src/common/SignalVector.hpp
index e0f2a4e6f..154bc0e72 100644
--- a/src/common/SignalVector.hpp
+++ b/src/common/SignalVector.hpp
@@ -155,7 +155,7 @@ public:
     decltype(auto) operator[](size_t index)
     {
         assertInGuiThread();
-        return this->items[index];
+        return this->items_[index];
     }
 
     auto empty()