3 files changed, 2 insertions, 3 deletions
diff --git a/lib/libc/wait/wait.c b/lib/libc/wait/wait.c
index 52765008..8f703600 100644
--- a/lib/libc/wait/wait.c
+++ b/lib/libc/wait/wait.c
@@ -1,4 +1,4 @@
-#include "sys/types.h"	   // for pid_t
+#include "signal.h" // for pid_t
 
 #include <sys/wait.h> // for wait
 #include <syscall.h>  // for __syscall_4, syscall
diff --git a/lib/libc/wait/waitid.c b/lib/libc/wait/waitid.c
index f0f6bf0a..2e9c431a 100644
--- a/lib/libc/wait/waitid.c
+++ b/lib/libc/wait/waitid.c
@@ -1,6 +1,5 @@
 
 
-
 #include <signal.h>    // for siginfo_t
 #include <sys/types.h> // for id_t
 #include <sys/wait.h>  // for idtype_t, waitid
diff --git a/lib/libc/wait/waitpid.c b/lib/libc/wait/waitpid.c
index 3512104b..de1d0bb2 100644
--- a/lib/libc/wait/waitpid.c
+++ b/lib/libc/wait/waitpid.c
@@ -1,4 +1,4 @@
-#include "sys/types.h"	   // for pid_t
+#include "signal.h" // for pid_t
 
 #include <sys/wait.h> // for waitpid
 #include <syscall.h>  // for __syscall_4, syscall