diff --git a/internal/configs/parsing_helpers.go b/internal/configs/parsing_helpers.go
index 5c31a5b1d..b66c2f4f9 100644
--- a/internal/configs/parsing_helpers.go
+++ b/internal/configs/parsing_helpers.go
@@ -306,7 +306,7 @@ func ParsePortList(s string) ([]int, error) {
 }
 
 func parsePort(value string) (int, error) {
-	port, err := strconv.ParseInt(value, 10, 16)
+	port, err := strconv.ParseInt(value, 10, 32)
 	if err != nil {
 		return 0, fmt.Errorf("unable to parse port as integer: %w", err)
 	}
diff --git a/internal/k8s/validation_test.go b/internal/k8s/validation_test.go
index 9ad437896..ed71883af 100644
--- a/internal/k8s/validation_test.go
+++ b/internal/k8s/validation_test.go
@@ -2014,7 +2014,7 @@ func TestValidateNginxIngressAnnotations(t *testing.T) {
 
 		{
 			annotations: map[string]string{
-				"nginx.org/listen-ports": "80,8080,9090",
+				"nginx.org/listen-ports": "80,8080,9090,44313",
 			},
 			specServices:          map[string]bool{},
 			isPlus:                false,
@@ -2041,7 +2041,7 @@ func TestValidateNginxIngressAnnotations(t *testing.T) {
 
 		{
 			annotations: map[string]string{
-				"nginx.org/listen-ports-ssl": "443,8443",
+				"nginx.org/listen-ports-ssl": "443,8443,44315",
 			},
 			specServices:          map[string]bool{},
 			isPlus:                false,