diff --git a/libc/config/gpu/entrypoints.txt b/libc/config/gpu/entrypoints.txt
index 69af9fffb0a4a..5750fba31d6b9 100644
--- a/libc/config/gpu/entrypoints.txt
+++ b/libc/config/gpu/entrypoints.txt
@@ -56,6 +56,9 @@ set(TARGET_LIBC_ENTRYPOINTS
 
     # stdlib.h entrypoints
     libc.src.stdlib.atoi
+
+    # errno.h entrypoints
+    libc.src.errno.errno
 )
 
 set(TARGET_LLVMLIBC_ENTRYPOINTS
diff --git a/libc/config/gpu/headers.txt b/libc/config/gpu/headers.txt
index fd753a4b75bfd..1b77c97b00d8d 100644
--- a/libc/config/gpu/headers.txt
+++ b/libc/config/gpu/headers.txt
@@ -1,5 +1,6 @@
 set(TARGET_PUBLIC_HEADERS
     libc.include.ctype
     libc.include.string
+    libc.include.errno
     libc.include.stdlib
 )
diff --git a/libc/src/errno/libc_errno.cpp b/libc/src/errno/libc_errno.cpp
index 26bd9d9cc97e1..8cf77a8f202cb 100644
--- a/libc/src/errno/libc_errno.cpp
+++ b/libc/src/errno/libc_errno.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/macros/properties/architectures.h"
+#include "libc_errno.h"
 
 namespace __llvm_libc {