diff --git a/CHANGELOG.md b/CHANGELOG.md
index f250de55c01..728cbfb2b03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -74,6 +74,7 @@
 - Dev: Refactored a few `#define`s into `const(expr)` and cleaned includes. (#5527)
 - Dev: Added `FlagsEnum::isEmpty`. (#5550)
 - Dev: Prepared for Qt 6.8 by addressing some deprecations. (#5529)
+- Dev: Fixed benchmarks segfaulting on run. (#5559)
 - Dev: Refactored `MessageBuilder` to be a single class. (#5548)
 - Dev: Recent changes are now shown in the nightly release description. (#5553, #5554)
 
diff --git a/benchmarks/src/Highlights.cpp b/benchmarks/src/Highlights.cpp
index f6126ecaecf..69c69db4928 100644
--- a/benchmarks/src/Highlights.cpp
+++ b/benchmarks/src/Highlights.cpp
@@ -6,6 +6,7 @@
 #include "messages/Message.hpp"
 #include "messages/MessageBuilder.hpp"
 #include "mocks/BaseApplication.hpp"
+#include "mocks/UserData.hpp"
 #include "util/Helpers.hpp"
 
 #include <benchmark/benchmark.h>
@@ -64,8 +65,14 @@ class MockApplication : public mock::BaseApplication
         return &this->highlights;
     }
 
+    IUserDataController *getUserData() override
+    {
+        return &this->userData;
+    }
+
     AccountController accounts;
     HighlightController highlights;
+    mock::UserDataController userData;
 };
 
 static void BM_HighlightTest(benchmark::State &state)