diff --git a/sys/dev/joy/joy.c b/sys/dev/joy/joy.c
index 0722cdce3474..b09efe1218c5 100644
--- a/sys/dev/joy/joy.c
+++ b/sys/dev/joy/joy.c
@@ -29,6 +29,8 @@
  *
  */
 
+#include "joy.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
diff --git a/sys/i386/isa/joy.c b/sys/i386/isa/joy.c
index 0722cdce3474..b09efe1218c5 100644
--- a/sys/i386/isa/joy.c
+++ b/sys/i386/isa/joy.c
@@ -29,6 +29,8 @@
  *
  */
 
+#include "joy.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
diff --git a/sys/isa/joy.c b/sys/isa/joy.c
index 0722cdce3474..b09efe1218c5 100644
--- a/sys/isa/joy.c
+++ b/sys/isa/joy.c
@@ -29,6 +29,8 @@
  *
  */
 
+#include "joy.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/conf.h>