diff --git a/doc/classes/AnimationNode.xml b/doc/classes/AnimationNode.xml
index d0c4dc0b9ca..96776325d5f 100644
--- a/doc/classes/AnimationNode.xml
+++ b/doc/classes/AnimationNode.xml
@@ -107,7 +107,7 @@
 			</description>
 		</method>
 		<method name="has_filter" qualifiers="virtual">
-			<return type="String" />
+			<return type="bool" />
 			<description>
 				Returns [code]true[/code] whether you want the blend tree editor to display filter editing on this node.
 			</description>
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index d2f4cd37f24..f371824c029 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -357,6 +357,9 @@ bool AnimationNode::is_path_filtered(const NodePath &p_path) const {
 }
 
 bool AnimationNode::has_filter() const {
+	if (get_script_instance()) {
+		return get_script_instance()->call("has_filter");
+	}
 	return false;
 }
 
@@ -427,7 +430,7 @@ void AnimationNode::_bind_methods() {
 	}
 	BIND_VMETHOD(MethodInfo("process", PropertyInfo(Variant::REAL, "time"), PropertyInfo(Variant::BOOL, "seek")));
 	BIND_VMETHOD(MethodInfo(Variant::STRING, "get_caption"));
-	BIND_VMETHOD(MethodInfo(Variant::STRING, "has_filter"));
+	BIND_VMETHOD(MethodInfo(Variant::BOOL, "has_filter"));
 
 	ADD_SIGNAL(MethodInfo("removed_from_graph"));