diff --git a/dcopc/marshal.c b/dcopc/marshal.c
index 9f4e3d1d..a17aa2ff 100644
--- a/dcopc/marshal.c
+++ b/dcopc/marshal.c
@@ -19,6 +19,7 @@ AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#include "config.h"
 #include "marshal.h"
 
 #include <glib.h>