diff --git a/bundles/org.openhab.io.imperihome/src/main/java/org/openhab/io/imperihome/internal/handler/DeviceHistoryHandler.java b/bundles/org.openhab.io.imperihome/src/main/java/org/openhab/io/imperihome/internal/handler/DeviceHistoryHandler.java
index 6542ec7cf..f12635a58 100644
--- a/bundles/org.openhab.io.imperihome/src/main/java/org/openhab/io/imperihome/internal/handler/DeviceHistoryHandler.java
+++ b/bundles/org.openhab.io.imperihome/src/main/java/org/openhab/io/imperihome/internal/handler/DeviceHistoryHandler.java
@@ -110,7 +110,7 @@ public class DeviceHistoryHandler {
                 State state = historicItem.getState();
                 if (state instanceof DecimalType) {
                     Number value = ((DecimalType) state).toBigDecimal();
-                    resultItems.add(new HistoryItem(historicItem.getTimestamp(), value));
+                    resultItems.add(new HistoryItem(historicItem.getTimestamp().toInstant().toEpochMilli(), value));
                 }
             }
 
diff --git a/bundles/pom.xml b/bundles/pom.xml
index 003f0585a..8527b7f5e 100644
--- a/bundles/pom.xml
+++ b/bundles/pom.xml
@@ -19,6 +19,7 @@
   <modules>
     <!-- io -->
     <module>org.openhab.io.homekit</module>
+    <module>org.openhab.io.imperihome</module>
     <module>org.openhab.io.neeo</module>
     <module>org.openhab.io.openhabcloud</module>
     <module>org.openhab.io.transport.modbus</module>