diff --git a/splash/SplashState.cc b/splash/SplashState.cc
index 70a79ac..948b076 100644
--- a/splash/SplashState.cc
+++ b/splash/SplashState.cc
@@ -25,6 +25,9 @@
 // number of components in each color mode
 int splashColorModeNComps[] = {
   1, 1, 3, 3, 4
+#if SPLASH_CMYK
+  ,4
+#endif
 };
 
 SplashState::SplashState(int width, int height, GBool vectorAntialias,