diff --git a/android/src/main/java/com/swmansion/reanimated/nodes/Node.java b/android/src/main/java/com/swmansion/reanimated/nodes/Node.java
index 9e6e11c2740..f8058786568 100644
--- a/android/src/main/java/com/swmansion/reanimated/nodes/Node.java
+++ b/android/src/main/java/com/swmansion/reanimated/nodes/Node.java
@@ -32,7 +32,7 @@ public abstract class Node {
   private @Nullable List<Node> mChildren; /* lazy-initialized when a child is added */
 
   public Node(int nodeID, @Nullable ReadableMap config, NodesManager nodesManager) {
-    mLastLoopID.put("", 1L);
+    mLastLoopID.put("", -1L);
     mNodeID = nodeID;
     mNodesManager = nodesManager;
     mUpdateContext = nodesManager.updateContext;
@@ -75,7 +75,7 @@ public void addChild(Node child) {
       mChildren = new ArrayList<>();
     }
     mChildren.add(child);
-    dangerouslyRescheduleEvaluate();
+    child.dangerouslyRescheduleEvaluate();
   }
 
   public void removeChild(Node child) {
diff --git a/ios/Nodes/REANode.m b/ios/Nodes/REANode.m
index ebdffb7f279..7cb67bf692d 100644
--- a/ios/Nodes/REANode.m
+++ b/ios/Nodes/REANode.m
@@ -41,7 +41,7 @@ - (instancetype)initWithID:(REANodeID)nodeID config:(NSDictionary<NSString *,id>
     _nodeID = nodeID;
     _lastLoopID = [NSMutableDictionary dictionary];
     _memoizedValue = [NSMutableDictionary dictionary];
-    _lastLoopID[@""] = @1;
+    _lastLoopID[@""] = 0;
   }
   return self;
 }
@@ -86,7 +86,7 @@ - (void)addChild:(REANode *)child
   }
   if (child) {
     [_childNodes addObject:child];
-    [self dangerouslyRescheduleEvaluate];
+    [child dangerouslyRescheduleEvaluate];
   }
 }
 
diff --git a/src/core/AnimatedSet.js b/src/core/AnimatedSet.js
index ad1a7c78030..c777c2f647f 100644
--- a/src/core/AnimatedSet.js
+++ b/src/core/AnimatedSet.js
@@ -2,12 +2,15 @@ import AnimatedNode from './AnimatedNode';
 import { val } from '../val';
 import { adapt } from '../core/AnimatedBlock';
 
+import invariant from 'fbjs/lib/invariant';
+
 class AnimatedSet extends AnimatedNode {
   _what;
   _value;
 
   constructor(what, value) {
     super({ type: 'set', what: what.__nodeID, value: value.__nodeID }, [value]);
+    invariant(!what._constant, 'Value to be set cannot be constant');
     this._what = what;
     this._value = value;
   }