diff --git a/src/lib/support/TimeUtils.h b/src/lib/support/TimeUtils.h
index 82be87b6502722..ead9b49637c9d7 100644
--- a/src/lib/support/TimeUtils.h
+++ b/src/lib/support/TimeUtils.h
@@ -216,4 +216,10 @@ inline uint64_t SecondsToMilliseconds(uint32_t seconds)
     return (seconds * kMillisecondsPerSecond);
 }
 
+// For backwards-compatibility of public API.
+[[deprecated("Use SecondsToMilliseconds")]] inline uint64_t secondsToMilliseconds(uint32_t seconds)
+{
+    return SecondsToMilliseconds(seconds);
+}
+
 } // namespace chip