diff --git a/src/loaders/lottie/tvgLottieProperty.h b/src/loaders/lottie/tvgLottieProperty.h
index b3eb5ae6..0947c762 100644
--- a/src/loaders/lottie/tvgLottieProperty.h
+++ b/src/loaders/lottie/tvgLottieProperty.h
@@ -265,6 +265,7 @@ struct LottieGenericProperty : LottieProperty
     {
         copy(rhs);
         type = rhs.type;
+        ix = rhs.ix;
     }
 
     ~LottieGenericProperty()
@@ -519,6 +520,7 @@ struct LottieColorStop : LottieProperty
     {
         copy(rhs);
         type = rhs.type;
+        ix = rhs.ix;
     }
 
     ~LottieColorStop()
@@ -775,6 +777,7 @@ struct LottieTextDoc : LottieProperty
     {
         copy(rhs);
         type = rhs.type;
+        ix = rhs.ix;
     }
 
     ~LottieTextDoc()
@@ -888,6 +891,7 @@ struct LottieBitmap : LottieProperty
     {
         copy(rhs);
         type = rhs.type;
+        ix = rhs.ix;
     }
 
     ~LottieBitmap()