diff --git a/Core/src/org/sleuthkit/autopsy/modules/interestingitems/FilesSet.java b/Core/src/org/sleuthkit/autopsy/modules/interestingitems/FilesSet.java
index 975dac7dcd..87d25453e7 100644
--- a/Core/src/org/sleuthkit/autopsy/modules/interestingitems/FilesSet.java
+++ b/Core/src/org/sleuthkit/autopsy/modules/interestingitems/FilesSet.java
@@ -824,6 +824,18 @@ public final class FilesSet implements Serializable {
 
             private static final long serialVersionUID = 1L;
 
+            /**
+             * Construct a case-insensitive file name extension condition.
+             *
+             * @param extension The file name extension to be matched.
+             */
+            public ExtensionCondition(String extension) {
+                // If there is a leading ".", strip it since 
+                // AbstractFile.getFileNameExtension() returns just the 
+                // extension chars and not the dot.
+                super(extension.startsWith(".") ? extension.substring(1) : extension, false);
+            }            
+            
             /**
              * Construct a case-insensitive file name extension condition.
              *