diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index c05d5af9557..6ec49348304 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -2407,7 +2407,7 @@ void Node::_duplicate_signals(const Node *p_original, Node *p_copy) const {
 			if (!copytarget)
 				copytarget = target;
 
-			if (copy && copytarget) {
+			if (copy && copytarget && !copy->is_connected(E->get().signal, copytarget, E->get().method)) {
 				copy->connect(E->get().signal, copytarget, E->get().method, E->get().binds, E->get().flags);
 			}
 		}