diff --git a/WickedEngine/wiScene.cpp b/WickedEngine/wiScene.cpp
index 1166e434a..d781abc94 100644
--- a/WickedEngine/wiScene.cpp
+++ b/WickedEngine/wiScene.cpp
@@ -5378,6 +5378,9 @@ namespace wi::scene
 	}
 	void Scene::RunCharacterUpdateSystem(wi::jobsystem::context& ctx)
 	{
+		if (dt == 0)
+			return;
+
 		static const XMVECTOR up = XMVectorSet(0, 1, 0, 0);
 		static const XMMATRIX rotY = XMMatrixRotationY(XM_PI);
 		static const int max_substeps = 6;
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index fa32c4ab9..f4b668595 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 621;
+	const int revision = 622;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);