diff --git a/resources/text/CHANGELOG b/resources/text/CHANGELOG
index 12b5f8c37..821a3b04b 100644
--- a/resources/text/CHANGELOG
+++ b/resources/text/CHANGELOG
@@ -1,3 +1,9 @@
+3.5.6
+—————
+
+Fixed:
+▪ Missing obligatory attribute in OPML 2.0 files. (bug #166)
+
 3.5.5
 —————
 
diff --git a/rssguard.pro b/rssguard.pro
index 8400767dc..a9d3524c8 100755
--- a/rssguard.pro
+++ b/rssguard.pro
@@ -57,7 +57,7 @@ APP_REVERSE_NAME              = "com.github.rssguard"
 APP_LOW_H_NAME                = ".rssguard"
 APP_AUTHOR                    = "Martin Rotter"
 APP_COPYRIGHT                 = "(C) 2011-2017 $$APP_AUTHOR"
-APP_VERSION                   = "3.5.5"
+APP_VERSION                   = "3.5.6"
 APP_LONG_NAME                 = "$$APP_NAME $$APP_VERSION"
 APP_EMAIL                     = "rotter.martinos@gmail.com"
 APP_URL                       = "https://github.com/martinrotter/rssguard"
diff --git a/src/services/standard/standardfeedsimportexportmodel.cpp b/src/services/standard/standardfeedsimportexportmodel.cpp
index 69f3e8254..26d845938 100755
--- a/src/services/standard/standardfeedsimportexportmodel.cpp
+++ b/src/services/standard/standardfeedsimportexportmodel.cpp
@@ -85,6 +85,7 @@ bool FeedsImportExportModel::exportToOMPL20(QByteArray& result) {
           StandardFeed* child_feed = static_cast<StandardFeed*>(child_item);
           QDomElement outline_feed = opml_document.createElement("outline");
 
+          outline_feed.setAttribute(QSL("type"), QSL("rss"));
           outline_feed.setAttribute(QSL("text"), child_feed->title());
           outline_feed.setAttribute(QSL("xmlUrl"), child_feed->url());
           outline_feed.setAttribute(QSL("description"), child_feed->description());