diff --git a/src/loaders/lottie/tvgLottieBuilder.cpp b/src/loaders/lottie/tvgLottieBuilder.cpp
index 3ef06934..00ee2245 100644
--- a/src/loaders/lottie/tvgLottieBuilder.cpp
+++ b/src/loaders/lottie/tvgLottieBuilder.cpp
@@ -1308,7 +1308,7 @@ void LottieBuilder::updateEffect(LottieLayer* layer, float frameNo)
             case LottieEffect::DropShadow: {
                 auto effect = static_cast<LottieDropShadow*>(*ef);
                 auto color = effect->color(frameNo);
-                layer->scene->push(SceneEffect::DropShadow, color.rgb[0], color.rgb[1], color.rgb[2], effect->opacity(frameNo), effect->angle(frameNo), effect->distance(frameNo), effect->blurness(frameNo), QUALITY);
+                layer->scene->push(SceneEffect::DropShadow, color.rgb[0], color.rgb[1], color.rgb[2], (int)effect->opacity(frameNo), effect->angle(frameNo), effect->distance(frameNo), effect->blurness(frameNo) * BLUR_TO_SIGMA, QUALITY);
                 break;
             }
             case LottieEffect::GaussianBlur: {
diff --git a/src/loaders/lottie/tvgLottieModel.h b/src/loaders/lottie/tvgLottieModel.h
index 739f3303..9083accc 100644
--- a/src/loaders/lottie/tvgLottieModel.h
+++ b/src/loaders/lottie/tvgLottieModel.h
@@ -95,7 +95,7 @@ struct LottieEffect
 struct LottieDropShadow : LottieEffect
 {
     LottieColor color;
-    LottieOpacity opacity = 0;
+    LottieFloat opacity = 0;
     LottieAngle angle = 0.0f;
     LottieSlider distance = 0.0f;
     LottieSlider blurness = 0.0f;
diff --git a/src/renderer/tvgRender.h b/src/renderer/tvgRender.h
index 003c7d3b..f3311f6c 100644
--- a/src/renderer/tvgRender.h
+++ b/src/renderer/tvgRender.h
@@ -309,7 +309,7 @@ struct RenderEffectDropShadow : RenderEffect
         inst->color[0] = va_arg(args, int);
         inst->color[1] = va_arg(args, int);
         inst->color[2] = va_arg(args, int);
-        inst->color[3] = va_arg(args, int);
+        inst->color[3] = std::min(va_arg(args, int), 255);
         inst->angle = (float) va_arg(args, double);
         inst->distance = (float) va_arg(args, double);
         inst->sigma = std::max((float) va_arg(args, double), 0.0f);