1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/testrand.c b/stdlib/testrand.c
index 05835b2ba8..b5c186462d 100644
--- a/stdlib/testrand.c
+++ b/stdlib/testrand.c
@@ -20,7 +20,7 @@
 #include <stdio.h>
 
 int
-main ()
+main (void)
 {
   int i1, i2;
   int j1, j2;