diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a5c1277..f401b7ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Breaking API/ABI changes in the Settings and the main SenseGlove module due to some settings refactoring.
+- Breaking changes in the SenseGlove/Unreal coordinates systems conversions due to underlying changes in the SenseGlove Core Libraries.
 
 ## [v1.2.1] - 2023-03-30
 
diff --git a/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGQuatImpl.cpp b/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGQuatImpl.cpp
index b73baf6e..1b8fed4c 100644
--- a/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGQuatImpl.cpp
+++ b/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGQuatImpl.cpp
@@ -154,7 +154,7 @@ FSGQuatImpl::FSGQuatImpl(const FQuat& Quat)
     ///     Forward X
     ///     Right   Y
     ///     Up      Z
-    Pimpl->Quat = FQuatType(-Quat.X, Quat.Y, -Quat.Z, Quat.W);
+    Pimpl->Quat = FQuatType(-Quat.Y, -Quat.X, -Quat.Z, Quat.W);
 }
 
 FSGQuatImpl::FSGQuatImpl(const FSGQuatImpl& Rhs)
@@ -192,7 +192,7 @@ FQuat FSGQuatImpl::ToFQuat() const
     ///     Forward X
     ///     Left    Y
     ///     Up      Z
-    return FQuat(-Pimpl->Quat.GetX(), Pimpl->Quat.GetY(), -Pimpl->Quat.GetZ(), Pimpl->Quat.GetW());
+    return FQuat(-Pimpl->Quat.GetY(), -Pimpl->Quat.GetX(), -Pimpl->Quat.GetZ(), Pimpl->Quat.GetW());
 }
 
 FSGQuatImpl FSGQuatImpl::operator*(const FSGQuatImpl& QuatImpl) const
diff --git a/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGVect3DImpl.cpp b/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGVect3DImpl.cpp
index 69f812bf..56915cca 100644
--- a/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGVect3DImpl.cpp
+++ b/Source/SenseGloveCoreImpl/Private/SGCoreImpl/SGVect3DImpl.cpp
@@ -113,7 +113,7 @@ FSGVect3DImpl::FSGVect3DImpl(const FVector& Vector)
     ///     Right   Y
     ///     Up      Z
 
-    FVect3DType Vect3D(Vector.X, -Vector.Y, Vector.Z);
+    FVect3DType Vect3D(Vector.Y, Vector.X, Vector.Z);
     Pimpl->Vect3D = MoveTemp(Vect3D);
 }
 
@@ -153,7 +153,7 @@ FVector FSGVect3DImpl::ToFVector() const
     ///     Right   Y
     ///     Up      Z
 
-    FVector Vector(Pimpl->Vect3D.GetX(), -Pimpl->Vect3D.GetY(), Pimpl->Vect3D.GetZ());
+    FVector Vector(Pimpl->Vect3D.GetY(), Pimpl->Vect3D.GetX(), Pimpl->Vect3D.GetZ());
     return MoveTemp(Vector);
 }