diff --git a/attrib/att.c b/attrib/att.c
index 0ed4178..de11811 100644
--- a/attrib/att.c
+++ b/attrib/att.c
@@ -22,6 +22,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <errno.h>
 #include <stdint.h>
 #include <stdlib.h>
diff --git a/attrib/gattrib.c b/attrib/gattrib.c
index 0acefc8..bf40532 100644
--- a/attrib/gattrib.c
+++ b/attrib/gattrib.c
@@ -22,6 +22,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdint.h>
 #include <string.h>
 #include <glib.h>
diff --git a/attrib/interactive.c b/attrib/interactive.c
index 1ea35cd..51f620a 100644
--- a/attrib/interactive.c
+++ b/attrib/interactive.c
@@ -20,6 +20,11 @@
  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  *
  */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
diff --git a/attrib/utils.c b/attrib/utils.c
index 08365bd..43244c2 100644
--- a/attrib/utils.c
+++ b/attrib/utils.c
@@ -21,6 +21,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdlib.h>
 #include <glib.h>