diff --git a/sys/boot/common/interp.c b/sys/boot/common/interp.c
index 0f4b594fb1f8..e93e35ae52e8 100644
--- a/sys/boot/common/interp.c
+++ b/sys/boot/common/interp.c
@@ -112,7 +112,7 @@ interact(void)
      */
     printf("\nType '?' for a list of commands, 'help' for more detailed help.\n");
     if (getenv("prompt") == NULL)
-	setenv("prompt", "${interpret}\n", 1);
+	setenv("prompt", "${interpret}", 1);
     if (getenv("interpret") == NULL)
         setenv("interpret", "ok", 1);