diff --git a/tests/vip-jetpack/connection-pilot/test-class-jetpack-connection-pilot.php b/tests/vip-jetpack/connection-pilot/test-class-jetpack-connection-pilot.php
index 26ce95c675..0ea40e7539 100644
--- a/tests/vip-jetpack/connection-pilot/test-class-jetpack-connection-pilot.php
+++ b/tests/vip-jetpack/connection-pilot/test-class-jetpack-connection-pilot.php
@@ -89,11 +89,13 @@ public function test__should_back_off( ?int $backoff_factor, DateTime $dt, bool
 
 	public function get_test_data__update_backoff_factor() {
 		return [
-			'null' => [ null, 1 ],
-			'zero' => [ 0, 1 ],
-			'one'  => [ 1, 2 ],
-			'two'  => [ 2, 4 ],
-			'max'  => [ 2048, 2048 ],
+			'null'       => [ null, 1 ],
+			'zero'       => [ 0, 1 ],
+			'one_hour'   => [ 1, 2 ],
+			'two_hours'  => [ 2, 4 ],
+			'three_days' => [ 72, 144 ],
+			'max'        => [ 168, 168 ],
+			'over_max'   => [ 2000, 168 ],
 		];
 	}
 
diff --git a/vip-jetpack/connection-pilot/class-jetpack-connection-pilot.php b/vip-jetpack/connection-pilot/class-jetpack-connection-pilot.php
index 5ab64ed89a..c09079b99d 100644
--- a/vip-jetpack/connection-pilot/class-jetpack-connection-pilot.php
+++ b/vip-jetpack/connection-pilot/class-jetpack-connection-pilot.php
@@ -188,7 +188,7 @@ private function should_back_off(): bool {
 			}
 
 			if ( $backoff_factor > 0 ) {
-				$seconds_elapsed = time() - $last_heartbeat_timestamp;
+				$seconds_elapsed = time() - $this->last_heartbeat['timestamp'];
 				$hours_elapsed   = $seconds_elapsed / HOUR_IN_SECONDS;
 
 				if ( $backoff_factor > $hours_elapsed ) {