diff --git a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
index 2f4d19fa707..441336adaf7 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Core/Textures/TextureCache2D.cs
@@ -77,7 +77,7 @@ public bool AllocTextureArray(int numTextures, int width, int height, GraphicsFo
             var res = AllocTextureArray(numTextures);
             m_NumMipLevels = GetNumMips(width, height);
 
-            var desc = new RenderTextureDescriptor(width, width, format, 0)
+            var desc = new RenderTextureDescriptor(width, height, format, 0)
             {
                 // autoGenerateMips is true by default
                 dimension = TextureDimension.Tex2DArray,