diff --git a/src/main/java/stirling/software/SPDF/service/CertificateValidationService.java b/src/main/java/stirling/software/SPDF/service/CertificateValidationService.java
index 29d74c6914b..41f54f4aa22 100644
--- a/src/main/java/stirling/software/SPDF/service/CertificateValidationService.java
+++ b/src/main/java/stirling/software/SPDF/service/CertificateValidationService.java
@@ -52,7 +52,7 @@ private void loadMozillaCertificates() throws Exception {
                     continue;
                 }
                 if (inCert) {
-                    if (line.equals("END")) {
+                    if ("END".equals(line)) {
                         inCert = false;
                         byte[] certBytes = parseOctalData(certData.toString());
                         if (certBytes != null) {