diff --git a/coders/jbig.c b/coders/jbig.c
index bd3d79e..4f7ad68 100644
--- a/coders/jbig.c
+++ b/coders/jbig.c
@@ -44,6 +44,7 @@
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/color-private.h"
+#include "magick/colormap.h"
#include "magick/colorspace.h"
#include "magick/constitute.h"
#include "magick/exception.h"
diff --git a/coders/tiff.c b/coders/tiff.c
index b5fa1d5..1885201 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -46,6 +46,7 @@
#include "magick/cache.h"
#include "magick/color.h"
#include "magick/color-private.h"
+#include "magick/colormap.h"
#include "magick/colorspace.h"
#include "magick/constitute.h"
#include "magick/enhance.h"
diff --git a/coders/xwd.c b/coders/xwd.c
index cc93064..7ae5691 100644
--- a/coders/xwd.c
+++ b/coders/xwd.c
@@ -44,6 +44,7 @@
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/color-private.h"
+#include "magick/colormap.h"
#include "magick/colormap-private.h"
#include "magick/colorspace.h"
#include "magick/exception.h"