diff --git a/cups/testarray.c b/cups/testarray.c
index 1765b5edc7..7bead9a015 100644
--- a/cups/testarray.c
+++ b/cups/testarray.c
@@ -11,6 +11,7 @@
  * Include necessary headers...
  */
 
+#include "cups.h"
 #include "string-private.h"
 #include "debug-private.h"
 #include "array-private.h"