diff --git a/include/stdlib.h b/include/stdlib.h
index 16a3f935b3..90b9db4183 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -63,7 +63,7 @@
 
 /* Maximum value returned by rand() */
 
-#define MAX_RAND 32767
+#define RAND_MAX 32767
 
 /* Integer expression whose value is the maximum number of bytes in a
  * character specified by the current locale.