diff --git a/src/x11_window.c b/src/x11_window.c
index daede3bc..7b6759c4 100644
--- a/src/x11_window.c
+++ b/src/x11_window.c
@@ -1260,7 +1260,7 @@ static void processEvent(XEvent *event)
                 //       These have the same timestamp as the original event
                 //       Corresponding release events are filtered out
                 //       implicitly by the GLFW key repeat logic
-                if (window->x11.lastKeyTime < event->xkey.time)
+                if (window->x11.lastKeyTime <= event->xkey.time)
                 {
                     if (keycode)
                         _glfwInputKey(window, key, keycode, GLFW_PRESS, mods);