diff --git a/crypto/sha/sha256t.c b/crypto/sha/sha256t.c
index 68d95f1ab..f57cfc54f 100644
--- a/crypto/sha/sha256t.c
+++ b/crypto/sha/sha256t.c
@@ -125,4 +125,6 @@ int main ()
 	fprintf(stdout,"."); fflush(stdout);
 
     fprintf(stdout," passed.\n"); fflush(stdout);
+
+  return 0;
 }
diff --git a/crypto/sha/sha512t.c b/crypto/sha/sha512t.c
index 603fcefcb..283b59c5c 100644
--- a/crypto/sha/sha512t.c
+++ b/crypto/sha/sha512t.c
@@ -163,4 +163,6 @@ int main ()
 	fprintf(stdout,"."); fflush(stdout);
 
     fprintf(stdout," passed.\n"); fflush(stdout);
+
+  return 0;
 }