diff --git a/Source/Shaders/MaterialCommon.hlsl b/Source/Shaders/MaterialCommon.hlsl
index c08d7d5fb..b766a307b 100644
--- a/Source/Shaders/MaterialCommon.hlsl
+++ b/Source/Shaders/MaterialCommon.hlsl
@@ -309,7 +309,7 @@ float3 AOMultiBounce(float visibility, float3 albedo)
 
 float2 Flipbook(float2 uv, float frame, float2 sizeXY, float2 flipXY = 0.0f)
 {
-    float2 frameXY = float2((uint)frame % (uint)sizeXY.y, (uint)frame / (uint)sizeXY.x);
+    float2 frameXY = float2((uint)frame / (uint)sizeXY.y, (uint)frame / (uint)sizeXY.x);
     float2 flipFrameXY = sizeXY - frameXY - float2(1, 1);
     frameXY = lerp(frameXY, flipFrameXY, flipXY);
     return (uv + frameXY) / sizeXY;