diff --git a/kadmin/kadmin_locl.h b/kadmin/kadmin_locl.h
index 3843fe8b2..3d9c35868 100644
--- a/kadmin/kadmin_locl.h
+++ b/kadmin/kadmin_locl.h
@@ -72,6 +72,9 @@
 #include <netinet6/in6.h>
 #endif
 
+#ifdef HAVE_UTIL_H
+#include <util.h>
+#endif
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
diff --git a/kdc/headers.h b/kdc/headers.h
index be380f520..9d079c80c 100644
--- a/kdc/headers.h
+++ b/kdc/headers.h
@@ -74,6 +74,9 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
+#ifdef HAVE_UTIL_H
+#include <util.h>
+#endif
 #include <err.h>
 #include <roken.h>
 #include <getarg.h>
diff --git a/kpasswd/kpasswd_locl.h b/kpasswd/kpasswd_locl.h
index 9895e2726..df75fb799 100644
--- a/kpasswd/kpasswd_locl.h
+++ b/kpasswd/kpasswd_locl.h
@@ -86,6 +86,12 @@
 #ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+#ifdef HAVE_UTIL_H
+#include <util.h>
+#endif
 #include <err.h>
 #include <roken.h>
 #include <getarg.h>