diff --git a/WickedEngine/wiTransform.cpp b/WickedEngine/wiTransform.cpp
index a61e1dcd1..046d36ff3 100644
--- a/WickedEngine/wiTransform.cpp
+++ b/WickedEngine/wiTransform.cpp
@@ -294,6 +294,7 @@ void Transform::CatmullRom(const Transform* a, const Transform* b, const Transfo
 		XMLoadFloat4(&d->rotation),
 		t
 	);
+	R = XMQuaternionNormalize(R);
 	XMVECTOR S = XMVectorCatmullRom(
 		XMLoadFloat3(&a->scale),
 		XMLoadFloat3(&b->scale),
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index 637287deb..7bf546386 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wiVersion
 	// minor features, major updates
 	const int minor = 17;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 27;
+	const int revision = 28;
 
 
 	long GetVersion()