--- a/net/minecraft/world/item/SplashPotionItem.java
+++ b/net/minecraft/world/item/SplashPotionItem.java
@@ -14,6 +14,10 @@
 
     @Override
     public InteractionResult use(Level world, Player user, InteractionHand hand) {
+        // Paper start - PlayerLaunchProjectileEvent
+        final InteractionResult wrapper = super.use(world, user, hand);
+        if (wrapper instanceof InteractionResult.Fail) return wrapper;
+        // Paper end - PlayerLaunchProjectileEvent
         world.playSound(
             null,
             user.getX(),
@@ -24,6 +28,6 @@
             0.5F,
             0.4F / (world.getRandom().nextFloat() * 0.4F + 0.8F)
         );
-        return super.use(world, user, hand);
+        return wrapper; // Paper - PlayerLaunchProjectileEvent
     }
 }