diff --git a/Libraries/LibC/errno.h b/Libraries/LibC/errno.h
index 2d2a0b334f..f763dbc914 100644
--- a/Libraries/LibC/errno.h
+++ b/Libraries/LibC/errno.h
@@ -43,7 +43,12 @@ __BEGIN_DECLS
 
 extern const char* const sys_errlist[];
 extern int sys_nerr;
+
+#ifdef NO_TLS
+extern int errno;
+#else
 extern __thread int errno;
+#endif
 
 #define errno errno
 
diff --git a/Libraries/LibC/libcinit.cpp b/Libraries/LibC/libcinit.cpp
index 7e38ebc36f..83209b9ca4 100644
--- a/Libraries/LibC/libcinit.cpp
+++ b/Libraries/LibC/libcinit.cpp
@@ -31,7 +31,11 @@
 
 extern "C" {
 
+#ifdef NO_TLS
+int errno;
+#else
 __thread int errno;
+#endif
 char** environ;
 bool __environ_is_malloced;
 bool __stdio_is_initialized;
diff --git a/Libraries/LibC/unistd.cpp b/Libraries/LibC/unistd.cpp
index cf6643e736..da88bef354 100644
--- a/Libraries/LibC/unistd.cpp
+++ b/Libraries/LibC/unistd.cpp
@@ -48,7 +48,12 @@
 
 extern "C" {
 
+#ifdef NO_TLS
+static int s_cached_tid = 0;
+#else
 static __thread int s_cached_tid = 0;
+#endif
+
 static int s_cached_pid = 0;
 
 int chown(const char* pathname, uid_t uid, gid_t gid)