diff --git a/psx/CHANGELOG.md b/psx/CHANGELOG.md
index a1afa33..9fcf8bf 100644
--- a/psx/CHANGELOG.md
+++ b/psx/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for psx
 
+## 0.1.2.0 -- YYYY-mm-dd
+
+* Update vendored sources.
+
 ## 0.1.1.1 -- 2023-02-28
 
 * Remove `-Wl,-undefined,__wrap_sigfillset` from link options.
diff --git a/psx/cbits/psx/License b/psx/cbits/psx/License
index 2645a87..39108c2 100644
--- a/psx/cbits/psx/License
+++ b/psx/cbits/psx/License
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only */
+
 Unless otherwise *explicitly* stated, the following text describes the
 licensed conditions under which the contents of this libcap/psx release
 may be used and distributed.
diff --git a/psx/cbits/psx/psx.c b/psx/cbits/psx/psx.c
index d9c0485..65eb2aa 100644
--- a/psx/cbits/psx/psx.c
+++ b/psx/cbits/psx/psx.c
@@ -516,7 +516,7 @@ int __wrap_pthread_create(pthread_t *thread, const pthread_attr_t *attr,
     pthread_sigmask(SIG_BLOCK, &sigbit, NULL);
 
     int ret = __real_pthread_create(thread, attr, _psx_start_fn, starter);
-    if (ret == -1) {
+    if (ret > 0) {
 	psx_new_state(_PSX_CREATE, _PSX_IDLE);
 	memset(starter, 0, sizeof(*starter));
 	free(starter);