diff --git a/LibC/sys/wait.cpp b/LibC/sys/wait.cpp
index 031d446399..d010b39cba 100644
--- a/LibC/sys/wait.cpp
+++ b/LibC/sys/wait.cpp
@@ -1,12 +1,12 @@
 #include <sys/wait.h>
+#include <unistd.h>
 #include <assert.h>
 
 extern "C" {
 
 pid_t wait(int* wstatus)
 {
-    (void)wstatus;
-    ASSERT_NOT_REACHED();
+    return waitpid(-1, wstatus, 0);
 }
 
 }