diff --git a/core/src/main/scala/org/apache/spark/ui/env/EnvironmentPage.scala b/core/src/main/scala/org/apache/spark/ui/env/EnvironmentPage.scala
index 43adab7a35d65..985d8da13f078 100644
--- a/core/src/main/scala/org/apache/spark/ui/env/EnvironmentPage.scala
+++ b/core/src/main/scala/org/apache/spark/ui/env/EnvironmentPage.scala
@@ -42,8 +42,8 @@ private[ui] class EnvironmentPage(
       propertyHeader, jvmRow, jvmInformation, fixedWidth = true)
     val sparkPropertiesTable = UIUtils.listingTable(propertyHeader, propertyRow,
       Utils.redact(conf, appEnv.sparkProperties.toSeq), fixedWidth = true)
-    val systemPropertiesTable = UIUtils.listingTable(
-      propertyHeader, propertyRow, appEnv.systemProperties, fixedWidth = true)
+    val systemPropertiesTable = UIUtils.listingTable(propertyHeader, propertyRow,
+      Utils.redact(conf, appEnv.systemProperties.toSeq), fixedWidth = true)
     val classpathEntriesTable = UIUtils.listingTable(
       classPathHeaders, classPathRow, appEnv.classpathEntries, fixedWidth = true)
     val content =