1 files changed, 1 insertions, 0 deletions

diff --git a/e-util/e-sexp.c b/e-util/e-sexp.c
index cc0452b6b2..2757ea2043 100644
--- a/e-util/e-sexp.c
+++ b/e-util/e-sexp.c
@@ -69,6 +69,7 @@
 
 #include <glib.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 #include <string.h>