diff --git a/src/libauthsrv/readnvram.c b/src/libauthsrv/readnvram.c
index 524d2be5..d40bcb17 100644
--- a/src/libauthsrv/readnvram.c
+++ b/src/libauthsrv/readnvram.c
@@ -41,7 +41,7 @@ static struct {
 	"debug", "/tmp/nvram", 0, sizeof(Nvrsafe),
 };
 
-char*
+static char*
 xreadcons(char *prompt, char *def, int secret, char *buf, int nbuf)
 {
 	char *p;