diff --git a/src/system/libroot/posix/signal/sigprocmask.c b/src/system/libroot/posix/signal/sigprocmask.c
index 505ab53f12..f49547950f 100644
--- a/src/system/libroot/posix/signal/sigprocmask.c
+++ b/src/system/libroot/posix/signal/sigprocmask.c
@@ -26,6 +26,8 @@ sigprocmask(int how, const sigset_t *set, sigset_t *oldSet)
 int
 pthread_sigmask(int how, const sigset_t *set, sigset_t *oldSet)
 {
+	// TODO: This is obviously broken as sigprocmask() should set the team's
+	// signal mask!
 	return sigprocmask(how, set, oldSet);
 }