diff --git a/Source/Plugins/Plugin_Wiimote/Src/Config.h b/Source/Plugins/Plugin_Wiimote/Src/Config.h
index ed1b32f209..06c30dc4bc 100644
--- a/Source/Plugins/Plugin_Wiimote/Src/Config.h
+++ b/Source/Plugins/Plugin_Wiimote/Src/Config.h
@@ -34,7 +34,8 @@ struct Config
 
 	// Real Wiimote
 	bool bUpdateRealWiimote, bUnpairRealWiimote, bPairRealWiimote;
-	int bNumberRealWiimotes, bNumberEmuWiimotes, bWiiReadTimeout;
+	volatile int bNumberRealWiimotes;
+	int bNumberEmuWiimotes, bWiiReadTimeout;
 	int iIRLeft, iIRTop, iIRWidth, iIRHeight, iIRLevel;
 	int iAccNeutralX, iAccNeutralY, iAccNeutralZ;
 	int iAccNunNeutralX, iAccNunNeutralY, iAccNunNeutralZ;