diff --git a/src/ginput/mouse.c b/src/ginput/mouse.c
index 35a55bc5..94734888 100644
--- a/src/ginput/mouse.c
+++ b/src/ginput/mouse.c
@@ -378,6 +378,10 @@ GSourceHandle ginputGetMouse(uint16_t instance) {
 }
 
 bool_t ginputGetMouseStatus(uint16_t instance, GEventMouse *pe) {
+	// Win32 threads don't seem to recognise priority and/or pre-emption
+	// so we add a sleep here to prevent 100% polled applications from locking up.
+	chThdSleepMilliseconds(1);
+
 	if (instance || (MouseConfig.flags & (FLG_INIT_DONE|FLG_IN_CAL)) != FLG_INIT_DONE)
 		return FALSE;
 
diff --git a/src/ginput/toggle.c b/src/ginput/toggle.c
index 66021cd0..4401e295 100644
--- a/src/ginput/toggle.c
+++ b/src/ginput/toggle.c
@@ -145,6 +145,10 @@ void ginputInvertToggle(uint16_t instance, bool_t invert) {
  *	Returns FALSE on error (eg invalid instance)
  */
 bool_t ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle) {
+	// Win32 threads don't seem to recognise priority and/or pre-emption
+	// so we add a sleep here to prevent 100% polled applications from locking up.
+	chThdSleepMilliseconds(1);
+
 	if (instance >= GINPUT_TOGGLE_NUM_PORTS)
 		return FALSE;
 	ptoggle->type = GEVENT_TOGGLE;