diff --git a/lib/pr_fnmatch.c b/lib/pr_fnmatch.c
index 8e46a22..623321f 100644
--- a/lib/pr_fnmatch.c
+++ b/lib/pr_fnmatch.c
@@ -253,7 +253,7 @@ __wcschrnul (const wchar_t *s, wint_t c)
 # ifdef HAVE_MEMPCPY
 #  define MEMPCPY(D, S, N) mempcpy (D, S, N)
 # else
-#  define MEMPCPY(D, S, N) __mempcpy (D, S, N)
+#  define MEMPCPY(D, S, N) mempcpy (D, S, N)
 # endif
 # define MEMCHR(S, C, N) memchr (S, C, N)
 # define STRCOLL(S1, S2) strcoll (S1, S2)