diff --git a/Machines/Sinclair/ZX8081/ZX8081.hpp b/Machines/Sinclair/ZX8081/ZX8081.hpp
index d16960dca..d7ca68734 100644
--- a/Machines/Sinclair/ZX8081/ZX8081.hpp
+++ b/Machines/Sinclair/ZX8081/ZX8081.hpp
@@ -32,7 +32,7 @@ class Machine {
 		class Options: public Reflection::StructImpl<Options>, public Configurable::QuickloadOption<Options> {
 			friend Configurable::QuickloadOption<Options>;
 			public:
-				bool automatic_tape_motor_control;
+				bool automatic_tape_motor_control = true;
 
 				Options(Configurable::OptionsType type):
 					Configurable::QuickloadOption<Options>(type == Configurable::OptionsType::UserFriendly),
diff --git a/Machines/Sinclair/ZXSpectrum/ZXSpectrum.hpp b/Machines/Sinclair/ZXSpectrum/ZXSpectrum.hpp
index 693cc3164..7190c46ef 100644
--- a/Machines/Sinclair/ZXSpectrum/ZXSpectrum.hpp
+++ b/Machines/Sinclair/ZXSpectrum/ZXSpectrum.hpp
@@ -31,7 +31,7 @@ class Machine {
 			friend Configurable::DisplayOption<Options>;
 			friend Configurable::QuickloadOption<Options>;
 			public:
-				bool automatic_tape_motor_control;
+				bool automatic_tape_motor_control = true;
 
 				Options(Configurable::OptionsType type) :
 					Configurable::DisplayOption<Options>(type == Configurable::OptionsType::UserFriendly ? Configurable::Display::RGB : Configurable::Display::CompositeColour),