diff --git a/Core/src/org/sleuthkit/autopsy/directorytree/ViewContextAction.java b/Core/src/org/sleuthkit/autopsy/directorytree/ViewContextAction.java
index 06628d6136..99d54e61a9 100644
--- a/Core/src/org/sleuthkit/autopsy/directorytree/ViewContextAction.java
+++ b/Core/src/org/sleuthkit/autopsy/directorytree/ViewContextAction.java
@@ -59,7 +59,7 @@ public class ViewContextAction extends AbstractAction {
 
     private static final long serialVersionUID = 1L;
     private static final Logger logger = Logger.getLogger(ViewContextAction.class.getName());
-    private Content content;
+    private final Content content;
 
     /**
      * An action that displays the context for the source content of an artifact
@@ -72,8 +72,9 @@ public class ViewContextAction extends AbstractAction {
      */
     public ViewContextAction(String displayName, BlackboardArtifactNode artifactNode) {
         super(displayName);
-        this.content = artifactNode.getLookup().lookup(AbstractFile.class);
-        if (this.content != null) {
+        Content fileContent = artifactNode.getLookup().lookup(AbstractFile.class);
+        if (fileContent != null) {
+            this.content = fileContent;
             AbstractFile file = (AbstractFile) content;
             if ((TskData.FileKnown.KNOWN == file.getKnown() && UserPreferences.hideKnownFilesInDataSourcesTree())
                     || (TskData.TSK_DB_FILES_TYPE_ENUM.SLACK == file.getType() && UserPreferences.hideSlackFilesInDataSourcesTree())) {