diff --git a/core/src/main/resources/jenkins/security/UpdateSiteWarningsMonitor/message.groovy b/core/src/main/resources/jenkins/security/UpdateSiteWarningsMonitor/message.groovy
index 56cbb0bb4ddd..89b634002006 100644
--- a/core/src/main/resources/jenkins/security/UpdateSiteWarningsMonitor/message.groovy
+++ b/core/src/main/resources/jenkins/security/UpdateSiteWarningsMonitor/message.groovy
@@ -42,7 +42,7 @@ def listWarnings(warnings, boolean core) {
             }
         }
     }
-    if (fixables == warnings.size) {
+    if (fixables == warnings.size()) {
         dd {
             if (fixables == 1) {
                 raw(_(core ? "allFixable1Core" : "allFixable1", rootURL))