diff --git a/krfb/krfb/rfbcontroller.cc b/krfb/krfb/rfbcontroller.cc
index 57fb1cbd..0db57514 100644
--- a/krfb/krfb/rfbcontroller.cc
+++ b/krfb/krfb/rfbcontroller.cc
@@ -231,10 +231,10 @@ void KeyboardEvent::tweakModifiers(signed char mod, bool down) {
 	if(isShift && mod != 1) {
 		if(ModifierState & LEFTSHIFT)
 			XTestFakeKeyEvent(dpy, leftShiftCode,
-					  !down, CurrentTime);
+					  down, CurrentTime);
 		if(ModifierState & RIGHTSHIFT)
 				XTestFakeKeyEvent(dpy, rightShiftCode,
-						  !down, CurrentTime);
+						  down, CurrentTime);
 	}
 
 	if(!isShift && mod==1)