diff --git a/LibC/unistd.cpp b/LibC/unistd.cpp
index baa99bbd5d..a31600c97b 100644
--- a/LibC/unistd.cpp
+++ b/LibC/unistd.cpp
@@ -475,7 +475,7 @@ int donate(int tid)
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }
 
-void beep()
+void sysbeep()
 {
     syscall(SC_beep);
 }
diff --git a/LibC/unistd.h b/LibC/unistd.h
index b184a5a435..c8cfa50086 100644
--- a/LibC/unistd.h
+++ b/LibC/unistd.h
@@ -14,7 +14,7 @@ __BEGIN_DECLS
 
 extern char** environ;
 
-void beep();
+void sysbeep();
 int systrace(pid_t);
 int gettid();
 int donate(int tid);