diff --git a/MagickCore/compress.c b/MagickCore/compress.c
index 0b099be..1319621 100644
--- a/MagickCore/compress.c
+++ b/MagickCore/compress.c
@@ -41,6 +41,7 @@
   Include declarations.
 */
 #include "MagickCore/studio.h"
+#include "MagickCore/attribute.h"
 #include "MagickCore/blob.h"
 #include "MagickCore/blob-private.h"
 #include "MagickCore/color-private.h"