1 files changed, 1 insertions, 1 deletions

diff --git a/src/regress/lib/libcrypto/x509/constraints.c b/src/regress/lib/libcrypto/x509/constraints.c
index 5a61c34d89..c94e22faf7 100644
--- a/src/regress/lib/libcrypto/x509/constraints.c
+++ b/src/regress/lib/libcrypto/x509/constraints.c
@@ -348,7 +348,7 @@ test_invalid_uri(void) {
 }
 
 static int
-test_constraints1()
+test_constraints1(void)
 {
         char *c; size_t cl;
         char *d; size_t dl;