diff --git a/src/libImaging/Palette.c b/src/libImaging/Palette.c
index 78916bca5..da1d80504 100644
--- a/src/libImaging/Palette.c
+++ b/src/libImaging/Palette.c
@@ -148,7 +148,7 @@ ImagingPaletteDelete(ImagingPalette palette) {
 
 #define BOX 8
 
-#define BOXVOLUME BOX *BOX *BOX
+#define BOXVOLUME BOX * BOX * BOX
 
 void
 ImagingPaletteCacheUpdate(ImagingPalette palette, int r, int g, int b) {