diff --git a/pom.xml b/pom.xml
index 1671851..480c989 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,8 +37,8 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
-          <source>1.5</source>
-          <target>1.5</target>         
+          <source>1.6</source>
+          <target>1.6</target>         
         </configuration>
       </plugin>
       <plugin>
diff --git a/src/main/java/org/forkalsrud/album/exif/DirectoryEntry.java b/src/main/java/org/forkalsrud/album/exif/DirectoryEntry.java
index 6c305ef..f4e6be4 100644
--- a/src/main/java/org/forkalsrud/album/exif/DirectoryEntry.java
+++ b/src/main/java/org/forkalsrud/album/exif/DirectoryEntry.java
@@ -355,6 +355,9 @@ public class DirectoryEntry extends Entry {
                 if (!hidden) {
                     DirectoryEntry dir = new DirectoryEntry(this, new File(file, name));
                     children.add(dir);
+                    if (name != null && name.equals(coverFileName)) {
+                        setThumbnail(dir.getThumbnail());
+                    }
                     Date fileDate = dir.getEarliest();
                     if (fileDate != null && fileDate.before(oldest)) {
                         oldest = fileDate;