diff --git a/libc/intrin/pthreadlock.c b/libc/intrin/pthreadlock.c
index dccad6479f3..c7ef23ae498 100644
--- a/libc/intrin/pthreadlock.c
+++ b/libc/intrin/pthreadlock.c
@@ -18,7 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/thread/posixthread.internal.h"
 
-pthread_mutex_t _pthread_lock_obj = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+pthread_mutex_t _pthread_lock_obj = PTHREAD_MUTEX_INITIALIZER;
 
 void _pthread_lock(void) {
   pthread_mutex_lock(&_pthread_lock_obj);
diff --git a/libc/proc/fork.c b/libc/proc/fork.c
index 8d9ec733acc..79a12b61ccb 100644
--- a/libc/proc/fork.c
+++ b/libc/proc/fork.c
@@ -86,7 +86,7 @@ static void _onfork_child(void) {
     __proc_wipe();
   __fds_lock_obj = (pthread_mutex_t)PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
   _rand64_lock_obj = (pthread_mutex_t)PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
-  _pthread_lock_obj = (pthread_mutex_t)PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+  _pthread_lock_obj = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;
   atomic_store_explicit(&__maps.lock, 0, memory_order_relaxed);
   if (_weaken(_pthread_onfork_child))
     _weaken(_pthread_onfork_child)();
diff --git a/libc/str/wcwidth.c b/libc/str/wcwidth.c
index fb8e076cb2a..379a11454f3 100644
--- a/libc/str/wcwidth.c
+++ b/libc/str/wcwidth.c
@@ -39,8 +39,8 @@ static const unsigned char wtable[] = {
 
 int wcwidth(wchar_t wc)
 {
-	if (wc < 0xff) {
-		if (wc >= 0)
+	if ((int)wc < 0xff) {
+		if ((int)wc >= 0)
 			return ((wc+1) & 0x7f) >= 0x21 ? 1 : wc ? -1 : 0;
 		return -1;
 	}