1 files changed, 1 insertions, 0 deletions
diff --git a/assert.c b/assert.c
index 7455565d3..090ddbe59 100644
--- a/assert.c
+++ b/assert.c
@@ -24,6 +24,7 @@ the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA. */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include "gmp.h"
 #include "gmp-impl.h"