diff --git a/Scripts/Effects/UIParticleSystem.cs b/Scripts/Effects/UIParticleSystem.cs
index beaaf4d..abf0fa5 100644
--- a/Scripts/Effects/UIParticleSystem.cs
+++ b/Scripts/Effects/UIParticleSystem.cs
@@ -227,7 +227,7 @@ namespace UnityEngine.UI.Extensions
                     frame %= textureSheetAnimationFrames;
 
                     particleUV.x = (frame % textureSheetAnimation.numTilesX) * textureSheetAnimationFrameSize.x;
-                    particleUV.y = Mathf.FloorToInt(frame / textureSheetAnimation.numTilesX) * textureSheetAnimationFrameSize.y;
+                    particleUV.y = 1.0f - Mathf.FloorToInt(frame / textureSheetAnimation.numTilesX) * textureSheetAnimationFrameSize.y;
                     particleUV.z = particleUV.x + textureSheetAnimationFrameSize.x;
                     particleUV.w = particleUV.y + textureSheetAnimationFrameSize.y;
                 }