diff --git a/OmniTests/PodInfoTests.swift b/OmniTests/PodInfoTests.swift
index 8093962..f10d414 100644
--- a/OmniTests/PodInfoTests.swift
+++ b/OmniTests/PodInfoTests.swift
@@ -132,7 +132,7 @@ class PodInfoTests: XCTestCase {
             XCTAssertEqual(0000, decoded.bolusNotDelivered)
             XCTAssertEqual(0x0a, decoded.lastProgrammingMessageSeqNum)
             XCTAssertEqual(.noFaults, decoded.faultEventCode.faultType)
-            XCTAssertEqual(TimeInterval(minutes: 0x0000), decoded.faultEventTimeSinceActivation)
+            XCTAssertNil(decoded.faultEventTimeSinceActivation) // 0x0000 fault time is a reset-fault sentinel, not a valid time
             XCTAssertEqual(Pod.reservoirLevelAboveThresholdMagicNumber, decoded.reservoirLevel, accuracy: 0.01)
             XCTAssertEqual(8100, decoded.timeActive)
             XCTAssertEqual(TimeInterval(minutes: 0x0087), decoded.timeActive)
@@ -193,7 +193,7 @@ class PodInfoTests: XCTestCase {
             XCTAssertEqual(0, decoded.bolusNotDelivered, accuracy: 0.01)
             XCTAssertEqual(6, decoded.lastProgrammingMessageSeqNum)
             XCTAssertEqual(.interlockLoad, decoded.faultEventCode.faultType)
-            XCTAssertEqual(TimeInterval(minutes: 0x0000), decoded.faultEventTimeSinceActivation)
+            XCTAssertNil(decoded.faultEventTimeSinceActivation) // 0x0000 fault time is a reset-fault sentinel, not a valid time
             XCTAssertEqual(Pod.reservoirLevelAboveThresholdMagicNumber, decoded.reservoirLevel, accuracy: 0.01)
             XCTAssertEqual(TimeInterval(minutes: 0x0000), decoded.timeActive)
             XCTAssertEqual(0, decoded.unacknowledgedAlerts.rawValue)