diff --git a/tests/fsaa.c b/tests/fsaa.c
index 611203f1..af6dd7d1 100644
--- a/tests/fsaa.c
+++ b/tests/fsaa.c
@@ -42,6 +42,19 @@ static void window_size_callback(GLFWwindow window, int width, int height)
     glViewport(0, 0, width, height);
 }
 
+static void key_callback(GLFWwindow window, int key, int action)
+{
+  if (action != GLFW_PRESS)
+    return;
+
+  switch (key)
+  {
+    case GLFW_KEY_SPACE:
+      glfwSetTime(0.0);
+      break;
+  }
+}
+
 static void usage(void)
 {
     printf("Usage: fsaa [-h] [-s SAMPLES]\n");
@@ -79,6 +92,8 @@ int main(int argc, char** argv)
     else
         printf("Requesting that FSAA not be available\n");
 
+    glfwSetKeyCallback(key_callback);
+
     glfwOpenWindowHint(GLFW_FSAA_SAMPLES, samples);
 
     window = glfwOpenWindow(800, 400, GLFW_WINDOWED, "Aliasing Detector", NULL);