diff --git a/plugins/sudoers/policy.c b/plugins/sudoers/policy.c
index 6e0e00c4a..00b376d5b 100644
--- a/plugins/sudoers/policy.c
+++ b/plugins/sudoers/policy.c
@@ -31,6 +31,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <grp.h>
 #include <pwd.h>
 
@@ -1044,6 +1045,21 @@ bad:
     debug_return_bool(false);
 }
 
+bool
+sudoers_tty_present(struct sudoers_context *ctx)
+{
+    debug_decl(sudoers_tty_present, SUDOERS_DEBUG_PLUGIN);
+    
+    if (ctx->user.tcpgid == 0 && ctx->user.ttypath == NULL) {
+	/* No job control or terminal, check /dev/tty. */
+	int fd = open(_PATH_TTY, O_RDWR);
+	if (fd == -1)
+	    debug_return_bool(false);
+	close(fd);
+    }
+    debug_return_bool(true);
+}
+
 static int
 sudoers_policy_open(unsigned int version, sudo_conv_t conversation,
     sudo_printf_t plugin_printf, char * const settings[],
diff --git a/plugins/sudoers/sudoers.c b/plugins/sudoers/sudoers.c
index e6466cfe2..caf1e3bae 100644
--- a/plugins/sudoers/sudoers.c
+++ b/plugins/sudoers/sudoers.c
@@ -73,7 +73,6 @@ static bool init_vars(struct sudoers_context *ctx, char * const *);
 static bool set_loginclass(struct sudoers_context *);
 static bool set_runaspw(struct sudoers_context *ctx, const char *, bool);
 static bool set_runasgr(struct sudoers_context *ctx, const char *, bool);
-static bool tty_present(struct sudoers_context *ctx);
 
 /*
  * Globals
@@ -435,7 +434,7 @@ sudoers_check_common(struct sudoers_context *ctx, int pwflag)
     }
 
     /* Bail if a tty is required and we don't have one. */
-    if (def_requiretty && !tty_present(ctx)) {
+    if (def_requiretty && !sudoers_tty_present(ctx)) {
 	log_warningx(ctx, SLOG_NO_STDERR|SLOG_AUDIT, N_("no tty"));
 	sudo_warnx("%s", U_("sorry, you must have a tty to run sudo"));
 	goto bad;
@@ -1529,21 +1528,6 @@ sudoers_cleanup(void)
     debug_return;
 }
 
-static bool
-tty_present(struct sudoers_context *ctx)
-{
-    debug_decl(tty_present, SUDOERS_DEBUG_PLUGIN);
-    
-    if (ctx->user.tcpgid == 0 && ctx->user.ttypath == NULL) {
-	/* No job control or terminal, check /dev/tty. */
-	int fd = open(_PATH_TTY, O_RDWR);
-	if (fd == -1)
-	    debug_return_bool(false);
-	close(fd);
-    }
-    debug_return_bool(true);
-}
-
 bool
 sudoers_set_mode(unsigned int flags, unsigned int mask)
 {
diff --git a/plugins/sudoers/sudoers.h b/plugins/sudoers/sudoers.h
index 5b597ed85..8f48dd7b2 100644
--- a/plugins/sudoers/sudoers.h
+++ b/plugins/sudoers/sudoers.h
@@ -450,6 +450,7 @@ void sudoers_debug_deregister(void);
 /* policy.c */
 unsigned int sudoers_policy_deserialize_info(struct sudoers_context *ctx, void *v, struct defaults_list *defaults);
 bool sudoers_policy_store_result(struct sudoers_context *ctx, bool accepted, char *argv[], char *envp[], mode_t cmnd_umask, char *iolog_path, void *v);
+bool sudoers_tty_present(struct sudoers_context *ctx);
 
 /* group_plugin.c */
 void group_plugin_unload(void);