diff --git a/libc/bionic/pthread_create.cpp b/libc/bionic/pthread_create.cpp
index 2afb651..303af81 100644
--- a/libc/bionic/pthread_create.cpp
+++ b/libc/bionic/pthread_create.cpp
@@ -52,7 +52,7 @@
 extern "C" __LIBC_HIDDEN__ void __init_user_desc(struct user_desc*, int, void*);
 #endif
 
-static pthread_mutex_t g_pthread_stack_creation_ock = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t g_pthread_stack_creation_lock = PTHREAD_MUTEX_INITIALIZER;
 
 static pthread_mutex_t g_debugger_notification_lock = PTHREAD_MUTEX_INITIALIZER;
 
@@ -111,7 +111,7 @@
 }
 
 static void* __create_thread_stack(pthread_internal_t* thread) {
-  ScopedPthreadMutexLocker lock(&g_pthread_stack_creation_ock);
+  ScopedPthreadMutexLocker lock(&g_pthread_stack_creation_lock);
 
   // Create a new private anonymous map.
   int prot = PROT_READ | PROT_WRITE;