diff --git a/configure b/configure
index 8b6bccf1a..f5873d7a5 100755
--- a/configure
+++ b/configure
@@ -169,7 +169,7 @@ int main(void)
 {
 	printf("%p\n", crypto_aead_chacha20poly1305_ietf_encrypt);
 	printf("%d\n", crypto_aead_chacha20poly1305_ietf_NPUBBYTES);
-	exit(0);
+	return 0;
 }
 /*END*/
 var=HAVE_SYSTEM_LIBBASE58
@@ -183,7 +183,7 @@ code=
 int main(void)
 {
 	printf("%p\n", b58check);
-	exit(0);
+	return 0;
 }
 /*END*/
 EOF