diff --git a/renderdocui/Windows/TextureViewer.cs b/renderdocui/Windows/TextureViewer.cs
index cae08e714..f3340db5a 100644
--- a/renderdocui/Windows/TextureViewer.cs
+++ b/renderdocui/Windows/TextureViewer.cs
@@ -2093,7 +2093,7 @@ namespace renderdocui.Windows
 
             float prevScale = m_TexDisplay.scale;
 
-            m_TexDisplay.scale = Math.Max(0.1f, Math.Min(8.0f, s));
+            m_TexDisplay.scale = Math.Max(0.1f, Math.Min(256.0f, s));
 
             FetchTexture tex = CurrentTexture;