diff --git a/gdk/loaders/gdkjpeg.c b/gdk/loaders/gdkjpeg.c
index 8cbb0438a4..8f7e422f0c 100644
--- a/gdk/loaders/gdkjpeg.c
+++ b/gdk/loaders/gdkjpeg.c
@@ -15,6 +15,8 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdlib.h>
+
 #include "config.h"
 
 #include "gdkjpegprivate.h"