diff --git a/aqhome/aqhome.c b/aqhome/aqhome.c
index 568c713..bee2f17 100644
--- a/aqhome/aqhome.c
+++ b/aqhome/aqhome.c
@@ -271,6 +271,8 @@ int AQH_ValueModality_fromString(const char *s)
       return AQH_ValueModality_Light;
     else if (strcasecmp(s, "onOff")==0)
       return AQH_ValueModality_OnOff;
+    else if (strcasecmp(s, "onOffAuto")==0)
+      return AQH_ValueModality_OnOffAuto;
   }
   return AQH_ValueModality_Unknown;
 }
@@ -291,6 +293,7 @@ const char *AQH_ValueModality_toString(int i)
   case AQH_ValueModality_Stats:       return "stats";
   case AQH_ValueModality_Light:       return "light";
   case AQH_ValueModality_OnOff:       return "onOff";
+  case AQH_ValueModality_OnOffAuto:   return "onOffAuto";
   case AQH_ValueModality_Unknown:
   default:                            return "unknown";
   }
diff --git a/aqhome/aqhome.h b/aqhome/aqhome.h
index 786bfc7..d86f540 100644
--- a/aqhome/aqhome.h
+++ b/aqhome/aqhome.h
@@ -47,7 +47,8 @@ enum {
   AQH_ValueModality_TVOC,
   AQH_ValueModality_Stats,
   AQH_ValueModality_Light,
-  AQH_ValueModality_OnOff
+  AQH_ValueModality_OnOff,
+  AQH_ValueModality_OnOffAuto
 };