diff --git a/CHANGES b/CHANGES
index 90495edea..2b1e810e9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,6 +10,7 @@ Bugfixes:
  - SDL: Fix potential joystick crash in games with rumble
  - Qt: Fix initial state of key mapping
  - Shaders: Fix AGS-001 shader with some bad drivers
+ - Qt: Initialize m_useBios
 Misc:
  - GBA: Slightly optimize GBAProcessEvents
  - Qt: Add preset for DualShock 4
diff --git a/src/platform/qt/GameController.cpp b/src/platform/qt/GameController.cpp
index e07b4ec10..9871d5102 100644
--- a/src/platform/qt/GameController.cpp
+++ b/src/platform/qt/GameController.cpp
@@ -40,6 +40,7 @@ GameController::GameController(QObject* parent)
 	, m_inactiveKeys(0)
 	, m_logLevels(0)
 	, m_gameOpen(false)
+	, m_useBios(false)
 	, m_audioThread(new QThread(this))
 	, m_audioProcessor(AudioProcessor::create())
 	, m_pauseAfterFrame(false)