diff --git a/lib/krb5/aes-test.c b/lib/krb5/aes-test.c
index d64c240b1..f53263433 100644
--- a/lib/krb5/aes-test.c
+++ b/lib/krb5/aes-test.c
@@ -32,6 +32,7 @@
 
 #include "krb5_locl.h"
 #include <hex.h>
+#include <err.h>
 
 #ifdef HAVE_OPENSSL
 #include <openssl/evp.h>
diff --git a/lib/krb5/name-45-test.c b/lib/krb5/name-45-test.c
index 0dc8a1acc..dbb09bae6 100644
--- a/lib/krb5/name-45-test.c
+++ b/lib/krb5/name-45-test.c
@@ -31,6 +31,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include "krb5_locl.h"
+#include <err.h>
 
 RCSID("$Id$");
 
diff --git a/lib/krb5/test_acl.c b/lib/krb5/test_acl.c
index 4552d67ac..5919c3a6b 100644
--- a/lib/krb5/test_acl.c
+++ b/lib/krb5/test_acl.c
@@ -31,6 +31,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include "krb5_locl.h"
+#include <err.h>
 
 RCSID("$Id$");
 
diff --git a/lib/krb5/test_addr.c b/lib/krb5/test_addr.c
index b6caee428..3a6a02bf6 100644
--- a/lib/krb5/test_addr.c
+++ b/lib/krb5/test_addr.c
@@ -31,6 +31,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
 
 #include "krb5_locl.h"
+#include <err.h>
 
 RCSID("$Id$");
 
diff --git a/lib/krb5/test_config.c b/lib/krb5/test_config.c
index 819dd1523..5e73c750b 100644
--- a/lib/krb5/test_config.c
+++ b/lib/krb5/test_config.c
@@ -32,6 +32,7 @@
  */
 
 #include "krb5_locl.h"
+#include <err.h>
 
 RCSID("$Id$");
 
diff --git a/lib/krb5/test_time.c b/lib/krb5/test_time.c
index 782800caf..b33f3fd1e 100644
--- a/lib/krb5/test_time.c
+++ b/lib/krb5/test_time.c
@@ -32,6 +32,7 @@
  */
 
 #include "krb5_locl.h"
+#include <err.h>
 
 RCSID("$Id$");