diff --git a/tests/05-sim-long_jumps.c b/tests/05-sim-long_jumps.c
index 24e5cf2b..f8e96340 100644
--- a/tests/05-sim-long_jumps.c
+++ b/tests/05-sim-long_jumps.c
@@ -23,6 +23,7 @@
 #include <errno.h>
 #include <unistd.h>
 #include <limits.h>
+#include <stdlib.h>
 
 #include <seccomp.h>