1 files changed, 5 insertions, 3 deletions
diff --git a/lib/include/ultrahdr/gainmapmath.h b/lib/include/ultrahdr/gainmapmath.h
index bdbaf02..a835762 100644
--- a/lib/include/ultrahdr/gainmapmath.h
+++ b/lib/include/ultrahdr/gainmapmath.h
@@ -19,8 +19,8 @@
 
 #include <cmath>
 
-#include "ultrahdr.h"
-#include "jpegr.h"
+#include "ultrahdr/ultrahdr.h"
+#include "ultrahdr/jpegr.h"
 
 #define CLIP3(x, min, max) ((x) < (min)) ? (min) : ((x) > (max)) ? (max) : (x)
 
@@ -29,7 +29,9 @@ namespace ultrahdr {
 ////////////////////////////////////////////////////////////////////////////////
 // Framework
 
-const float kSdrWhiteNits = 100.0f;
+// This aligns with the suggested default reference diffuse white from
+// ISO/TS 22028-5
+const float kSdrWhiteNits = 203.0f;
 const float kHlgMaxNits = 1000.0f;
 const float kPqMaxNits = 10000.0f;