diff --git a/rtengine/camconst.json b/rtengine/camconst.json
index 157bef8a4..4b56a2643 100644
--- a/rtengine/camconst.json
+++ b/rtengine/camconst.json
@@ -1549,7 +1549,7 @@ Camera constants:
     { // Quality C
         "make_model": "LEICA M8",
         "dcraw_matrix": [ 7675, -2196, -305, -5860, 14119, 1855, -2425, 4006, 6578 ], // DNG
-        "ranges": { "white": 16383 }
+        // Do not set white level, probably special handling by dcraw (see #6237)
     },
 
     { // Quality C