diff --git a/sys/dev/de/if_de.c b/sys/dev/de/if_de.c
index 45829b007519..60884ec2d0e1 100644
--- a/sys/dev/de/if_de.c
+++ b/sys/dev/de/if_de.c
@@ -47,6 +47,7 @@
 #include <sys/sockio.h>
 #include <sys/malloc.h>
 #include <sys/kernel.h>
+#include <sys/eventhandler.h>
 #include <machine/clock.h>
 
 #include "opt_inet.h"
diff --git a/sys/pci/if_de.c b/sys/pci/if_de.c
index 45829b007519..60884ec2d0e1 100644
--- a/sys/pci/if_de.c
+++ b/sys/pci/if_de.c
@@ -47,6 +47,7 @@
 #include <sys/sockio.h>
 #include <sys/malloc.h>
 #include <sys/kernel.h>
+#include <sys/eventhandler.h>
 #include <machine/clock.h>
 
 #include "opt_inet.h"