diff --git a/src/servers/app/SystemPalette.cpp b/src/servers/app/SystemPalette.cpp
index 93893f0909..cd67781eca 100644
--- a/src/servers/app/SystemPalette.cpp
+++ b/src/servers/app/SystemPalette.cpp
@@ -115,7 +115,7 @@ const static rgb_color kSystemPalette[] = {
  {  51,   0,  51, 255 }, {  51,   0,   0, 255 }, { 255, 203,  51, 255 },
  { 255, 203,   0, 255 }, { 255, 255,   0, 255 }, { 255, 255,  51, 255 },
  { 255, 255, 102, 255 }, { 255, 255, 152, 255 }, { 255, 255, 203, 255 },
- { 255, 255, 255, 255 }
+ { 255, 255, 255, 0 } // B_TRANSPARENT_MAGIC_CMAP8
 };