1 files changed, 3 insertions, 1 deletions
diff --git a/src/cmsopt.c b/src/cmsopt.c
index 4c28a07..1b0d33e 100644
--- a/src/cmsopt.c
+++ b/src/cmsopt.c
@@ -434,13 +434,15 @@ cmsBool  PatchLUT(cmsStage* CLUT, cmsUInt16Number At[], cmsUInt16Number Value[],
             return TRUE;
 }
 
-// Auxiliar, to see if two values are equal.
+// Auxiliar, to see if two values are equal or very different
 static
 cmsBool WhitesAreEqual(int n, cmsUInt16Number White1[], cmsUInt16Number White2[] ) 
 {
     int i;
 
     for (i=0; i < n; i++) {
+
+        if (abs(White1[i] - White2[i]) > 0xf000) return TRUE;  // Values are so extremly different that the fixup should be avoided
         if (White1[i] != White2[i]) return FALSE;
     }
     return TRUE;