diff --git a/src/msw/dib.cpp b/src/msw/dib.cpp
index 0c89e7e5ad..77ae7322be 100644
--- a/src/msw/dib.cpp
+++ b/src/msw/dib.cpp
@@ -785,9 +785,9 @@ wxImage wxDIB::ConvertToImage() const
                     *alpha++ = a;
                     if ( a > 0 )
                     {
-                        dst[0] = (dst[0] * 255 - 127) / a;
-                        dst[1] = (dst[1] * 255 - 127) / a;
-                        dst[2] = (dst[2] * 255 - 127) / a;
+                        dst[0] = (dst[0] * 255) / a;
+                        dst[1] = (dst[1] * 255) / a;
+                        dst[2] = (dst[2] * 255) / a;
                     }
                 }