diff --git a/lib/Lib.Academy.OutputTransform.ctl b/lib/Lib.Academy.OutputTransform.ctl
index 387ab542..6ac3fa8f 100644
--- a/lib/Lib.Academy.OutputTransform.ctl
+++ b/lib/Lib.Academy.OutputTransform.ctl
@@ -1036,7 +1036,7 @@ void build_limiting_cusp_corners_tables(output float RGB_corners[totalCornerCoun
         temp_RGB_corners[i] = mult_f_f3(peakLuminance / ref_luminance, generate_unit_cube_cusp_corners(i));
         temp_JMh_corners[i] = RGB_to_JMh(temp_RGB_corners[i], params);
         if (temp_JMh_corners[i][2] < temp_JMh_corners[min_index][2])
-            min_index = 1;
+            min_index = i;
     }
 
     // Rotate entries placing lowest at [1] (not [0])
@@ -1699,4 +1699,4 @@ float[3] outputTransform_inv(float RGBout[3],
     float aces[3] = JMh_to_RGB(JMh, p.input_params);
 
     return aces;
-}
\ No newline at end of file
+}