diff --git a/configure.ac b/configure.ac
index b3d00488..1044ec98 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,7 +48,7 @@ AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
 AC_CHECK_FUNCS(arc4random_buf futimes \
 	getentropy getrandom getspnam getusershell \
 	getutent initgroups lckpwdf lutimes \
-	setgroups updwtmp updwtmpx innetgr getpwnam_r \
+	setgroups updwtmp updwtmpx innetgr \
 	getpwuid_r getgrnam_r getgrgid_r getspnam_r \
 	memset_s explicit_bzero)
 AC_SYS_LARGEFILE
diff --git a/libmisc/xgetpwnam.c b/libmisc/xgetpwnam.c
index 74eb9721..f0083cbb 100644
--- a/libmisc/xgetpwnam.c
+++ b/libmisc/xgetpwnam.c
@@ -35,7 +35,7 @@
 #define ARG_TYPE	const char *
 #define ARG_NAME	name
 #define DUP_FUNCTION	__pw_dup
-#define HAVE_FUNCTION_R (defined HAVE_GETPWNAM_R)
+#define HAVE_FUNCTION_R 1
 
 #include "xgetXXbyYY.c"