diff --git a/src/common/PaletteHandler.cxx b/src/common/PaletteHandler.cxx
index d2a2a7768..0483b6bb9 100644
--- a/src/common/PaletteHandler.cxx
+++ b/src/common/PaletteHandler.cxx
@@ -385,7 +385,7 @@ void PaletteHandler::generateCustomPalette(ConsoleTiming timing)
     for(int chroma = 1; chroma < NUM_CHROMA; chroma++)
     {
       color[chroma][0] = SATURATION * sinf(offset + shift * (chroma - 1));
-      color[chroma][1] = SATURATION * sinf(offset + shift * (chroma - 1 - BSPF::PI_f));
+      color[chroma][1] = SATURATION * cosf(offset + shift * (chroma - 1) - BSPF::PI_f);
     }
 
     for(int chroma = 0; chroma < NUM_CHROMA; chroma++)