diff --git a/src/CardinalUI.cpp b/src/CardinalUI.cpp
index 1fa5f1c..2a6b7c7 100644
--- a/src/CardinalUI.cpp
+++ b/src/CardinalUI.cpp
@@ -603,7 +603,7 @@ protected:
 
     bool onScroll(const ScrollEvent& ev) override
     {
-        rack::math::Vec scrollDelta = rack::math::Vec(-ev.delta.getX(), ev.delta.getY());
+        rack::math::Vec scrollDelta = rack::math::Vec(ev.delta.getX(), ev.delta.getY());
 #ifdef DISTRHO_OS_MAC
         scrollDelta = scrollDelta.mult(10.0);
 #else