diff --git a/configure.ac b/configure.ac
index 28acee82..2fa32633 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,7 +53,7 @@ AC_CHECK_FUNCS(arc4random_buf l64a fchmod fchown fsync futimes \
 	getutent initgroups lchown lckpwdf lstat lutimes \
 	setgroups sigaction updwtmp updwtmpx innetgr getpwnam_r \
 	getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo ruserok \
-	dlopen memset_s explicit_bzero)
+	memset_s explicit_bzero)
 AC_SYS_LARGEFILE
 
 dnl Checks for typedefs, structures, and compiler characteristics.