diff --git a/server/server_account_test.go b/server/server_account_test.go
index 9aea7d4d..f2f36168 100644
--- a/server/server_account_test.go
+++ b/server/server_account_test.go
@@ -78,7 +78,8 @@ func TestAccount_Signup_LimitReached(t *testing.T) {
 		s := newTestServer(t, conf)
 		defer s.closeDatabases()
 
-		for i := 0; i < 3; i++ {
+		// Burst is DefaultVisitorAccountCreationLimitBurst (shared with password-reset requests)
+		for i := 0; i < 6; i++ {
 			rr := request(t, s, "POST", "/v1/account", fmt.Sprintf(`{"username":"phil%d", "password":"mypass"}`, i), nil)
 			require.Equal(t, 200, rr.Code)
 		}
@@ -131,7 +132,8 @@ func TestAccount_Signup_Rate_Limit(t *testing.T) {
 		conf.EnableSignup = true
 		s := newTestServer(t, conf)
 
-		for i := 0; i < 3; i++ {
+		// Burst is DefaultVisitorAccountCreationLimitBurst (shared with password-reset requests)
+		for i := 0; i < 6; i++ {
 			rr := request(t, s, "POST", "/v1/account", fmt.Sprintf(`{"username":"phil%d", "password":"mypass"}`, i), nil)
 			require.Equal(t, 200, rr.Code, "failed on iteration %d", i)
 		}