diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 8164bb28b4..a3813d4351 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-31  Pavel I. Kryukov  <kryukov@frtk.ru>  (tiny change)
+
+	*  sim-main.c: Include <stdlib.h>.
+
 2020-12-14  Pavel I. Kryukov  <kryukov@frtk.ru>  (tiny change)
 
 	* cp1.c: Include <stdlib.h>.
diff --git a/sim/mips/sim-main.c b/sim/mips/sim-main.c
index d61ce61fc8..620f4b2990 100644
--- a/sim/mips/sim-main.c
+++ b/sim/mips/sim-main.c
@@ -22,6 +22,7 @@
 #include "sim-main.h"
 #include "sim-assert.h"
 
+#include <stdlib.h>
 
 /*---------------------------------------------------------------------------*/
 /*-- simulator engine -------------------------------------------------------*/