diff --git a/src/interval.cpp b/src/interval.cpp
index 8f5546d..cdf029c 100644
--- a/src/interval.cpp
+++ b/src/interval.cpp
@@ -26,9 +26,13 @@ bool Interval::expired()
             }
         } else if (2 == _mode) {
             // periodic mode
-            if ((millis() - _timefrom) >= _timeout) {
+            const uint32_t now = millis();
+            const uint32_t diff = now - _timefrom;
+            if (diff >= _timeout) {
+                const uint32_t times = diff / _timeout;
+
+                _timefrom += _timeout * times; // more precise periodic timing
                 result = true;
-                _timefrom += _timeout; // more precise periodic timing
             }
         } else {
             // compatibility mode