diff --git a/backend/coolscan3.c b/backend/coolscan3.c
index 190598691..a7e12721b 100644
--- a/backend/coolscan3.c
+++ b/backend/coolscan3.c
@@ -474,6 +474,9 @@ sane_open(SANE_String_Const name, SANE_Handle * h)
 			o.unit = SANE_UNIT_NONE;
 			o.size = WSIZE;
 			o.cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
+			if (s->type != CS3_TYPE_LS2000 && s->type != CS3_TYPE_LS4000
+					&& s->type != CS3_TYPE_LS5000 && s->type != CS3_TYPE_LS8000)
+				o.cap |= SANE_CAP_INACTIVE;
 			o.constraint_type = SANE_CONSTRAINT_RANGE;
 			range = (SANE_Range *) cs3_xmalloc (sizeof (SANE_Range));
 			if (! range)