diff --git a/test_apps/main/test_relay_chn.c b/test_apps/main/test_relay_chn.c
index 77ed871..9d9eea2 100644
--- a/test_apps/main/test_relay_chn.c
+++ b/test_apps/main/test_relay_chn.c
@@ -43,8 +43,9 @@ TEST_CASE("Relay channels initialize correctly to FREE state", "[relay_chn]") {
 
 // TEST_CASE 1: Test that relays do nothing when an invlid channel id given
 TEST_CASE("Run forward does nothing if channel id is invalid", "[relay_chn]") {
-    for (uint8_t i = relay_chn_count*2; i < relay_chn_count; i++) {
-        relay_chn_run_forward(i); // relay_chn_run_forward returns void
+    for (uint8_t i = 0; i < relay_chn_count; i++) {
+        int invalid_id = relay_chn_count * 2 + i;
+        relay_chn_run_forward(invalid_id); // relay_chn_run_forward returns void
         // Short delay for state to update
         vTaskDelay(pdMS_TO_TICKS(test_delay_margin_ms));
         TEST_ASSERT_EQUAL(RELAY_CHN_STATE_FREE, relay_chn_get_state(i));