diff --git a/ap/libc/glibc/glibc-2.23/stdlib/wcstoumax.c b/ap/libc/glibc/glibc-2.23/stdlib/wcstoumax.c
new file mode 100644
index 0000000..508cb19
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdlib/wcstoumax.c
@@ -0,0 +1 @@
+#error "The correct implementation must be chosen based on the `uintmax_t' type"