diff --git a/demo2.cpp b/demo2.cpp
index 1326a3c..552415f 100644
--- a/demo2.cpp
+++ b/demo2.cpp
@@ -953,7 +953,7 @@ int16_t intensity = 0;
 
 #ifndef NO_MIRROR
     intensity =  pixel->isFloor ?
-      -1 * (pixel->depth - mirror * 64) / RCL_UNITS_PER_SQUARE : 0;
+      -1 * (pixel->depth - mirror * 128) / RCL_UNITS_PER_SQUARE : 0;
 #else
     intensity = -1 * pixel->depth / (RCL_UNITS_PER_SQUARE * 2);
 #endif