diff --git a/libc/bionic/pthread_setname_np.cpp b/libc/bionic/pthread_setname_np.cpp
index 6d2880e..669ef04 100644
--- a/libc/bionic/pthread_setname_np.cpp
+++ b/libc/bionic/pthread_setname_np.cpp
@@ -43,12 +43,7 @@
 #define MAX_TASK_COMM_LEN 16
 
 static int __open_task_comm_fd(pthread_t t, int flags) {
-  pthread_internal_t* thread = __pthread_internal_find(t);
-  if (thread == nullptr) {
-    errno = ENOENT;
-    return -1;
-  }
-
+  pthread_internal_t* thread = reinterpret_cast<pthread_internal_t*>(t);
   char comm_name[64];
   snprintf(comm_name, sizeof(comm_name), "/proc/self/task/%d/comm", thread->tid);
   return open(comm_name, O_CLOEXEC | flags);