noice.c | 4 ++++

diff --git a/noice.c b/noice.c
index e56a5f9ae785be078b673b1041958d562804bed2..600e57020763ecc2c0784eb7b9ac3ec37beb7be8 100644
--- a/noice.c
+++ b/noice.c
@@ -835,6 +835,10 @@ {
 	char cwd[PATH_MAX], *ipath;
 	char *ifilter;
 
+	/* Confirm we are in a terminal */
+	if (!isatty(STDIN_FILENO))
+		printerr(1, "isatty");
+
 	if (getuid() == 0)
 		ifilter = ".";
 	else