diff --git a/core/interfaces/src/main/kotlin/app/aaps/core/interfaces/rx/weardata/CustomWatchfaceFormat.kt b/core/interfaces/src/main/kotlin/app/aaps/core/interfaces/rx/weardata/CustomWatchfaceFormat.kt
index d20837ca88..a3a9ba6438 100644
--- a/core/interfaces/src/main/kotlin/app/aaps/core/interfaces/rx/weardata/CustomWatchfaceFormat.kt
+++ b/core/interfaces/src/main/kotlin/app/aaps/core/interfaces/rx/weardata/CustomWatchfaceFormat.kt
@@ -252,6 +252,7 @@ enum class JsonKeys(val key: String) {
     IMAGE("image"),
     INVALIDIMAGE("invalidImage"),
     INVALIDCOLOR("invalidColor"),
+    INVALIDFONTCOLOR("invalidFontColor"),
     TWINVIEW("twinView"),
     TOPOFFSETTWINHIDDEN("topOffsetTwinHidden"),
     LEFTOFFSETTWINHIDDEN("leftOffsetTwinHidden")