diff --git a/libc/bionic/ndk_cruft.cpp b/libc/bionic/ndk_cruft.cpp
index dbacf18..2c3299f 100644
--- a/libc/bionic/ndk_cruft.cpp
+++ b/libc/bionic/ndk_cruft.cpp
@@ -355,9 +355,14 @@
   return malloc(size);
 }
 
+} // extern "C"
+
 #define __get_thread __real_get_thread
 #include "pthread_internal.h"
 #undef __get_thread
+
+extern "C" {
+
 // Various third-party apps contain a backport of our pthread_rwlock implementation that uses this.
 pthread_internal_t* __get_thread() {
   return __real_get_thread();