diff --git a/libc/Android.bp b/libc/Android.bp
index 050d2f5..27e90be 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -524,8 +524,8 @@
     name: "libc_openbsd_large_stack",
     defaults: ["libc_defaults"],
     srcs: [
-        "stdio/vfprintf.c",
-        "stdio/vfwprintf.c",
+        "stdio/vfprintf.cpp",
+        "stdio/vfwprintf.cpp",
     ],
     cflags: [
         "-include openbsd-compat.h",