diff --git a/CHANGES b/CHANGES
index 1600c910d..0bdb93bff 100644
--- a/CHANGES
+++ b/CHANGES
@@ -14,6 +14,7 @@ Bugfixes:
  - Qt: Fix initial state of key mapping
  - Shaders: Fix AGS-001 shader with some bad drivers
  - GBA Memory: Fix mirror on non-overdumped Classic NES games
+ - 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 048501eec..808627bd6 100644
--- a/src/platform/qt/GameController.cpp
+++ b/src/platform/qt/GameController.cpp
@@ -45,6 +45,7 @@ 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)