diff --git a/drivers/counter/counter-chrdev.c b/drivers/counter/counter-chrdev.c
index 80acdf62794a..afc94d0062b1 100644
--- a/drivers/counter/counter-chrdev.c
+++ b/drivers/counter/counter-chrdev.c
@@ -247,8 +247,8 @@ static int counter_get_ext(const struct counter_comp *const ext,
 		if (*id == component_id)
 			return 0;
 
-		if (ext->type == COUNTER_COMP_ARRAY) {
-			element = ext->priv;
+		if (ext[*ext_idx].type == COUNTER_COMP_ARRAY) {
+			element = ext[*ext_idx].priv;
 
 			if (component_id - *id < element->length)
 				return 0;