diff --git a/libraries/SD/examples/listfiles/listfiles.ino b/libraries/SD/examples/listfiles/listfiles.ino
index 07a480d8e..91252097e 100644
--- a/libraries/SD/examples/listfiles/listfiles.ino
+++ b/libraries/SD/examples/listfiles/listfiles.ino
@@ -77,6 +77,7 @@ void printDirectory(File dir, int numTabs) {
        Serial.print("\t\t");
        Serial.println(entry.size(), DEC);
      }
+     entry.close();
    }
 }