diff --git a/board/overo/overo.c b/board/overo/overo.c
index b64cfaa539b8250cf16108992a6cef9d03e8c3f9..2d6e83541bbd9cff0324d5d727520473f679050e 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -295,6 +295,7 @@ int misc_init_r(void)
 			expansion_config.fab_revision);
 		MUX_GUMSTIX();
 		setenv("defaultdisplay", "lcd35");
+		setenv("expansionname", "palo35");
 		break;
 	case GUMSTIX_PALO43:
 		printf("Recognized Palo43 expansion board (rev %d %s)\n",