diff --git a/assets/StreamTab.qml b/assets/StreamTab.qml
index 9a451d0..e71f3ba 100644
--- a/assets/StreamTab.qml
+++ b/assets/StreamTab.qml
@@ -119,10 +119,10 @@ NavigationPane {
                 function copyText(text) {
                     _app.copyText(text)
                 }
-                function showImage(filename) {
+                function showImage(filename, mtype) {
                     console.log('-- showImage --')
                     console.log(filename)
-                    _app.showImage(filename)
+                    _app.showImage(filename, mtype)
                 }
                 attachedObjects: [
                     ListScrollStateHandler {
diff --git a/src/applicationui.cpp b/src/applicationui.cpp
index 7fcd4c7..e1fe9fe 100644
--- a/src/applicationui.cpp
+++ b/src/applicationui.cpp
@@ -119,7 +119,7 @@ void ApplicationUI::onInvoke(const bb::system::InvokeRequest& request)
     }
 }
 
-void ApplicationUI::showImage(const QString& filename)
+void ApplicationUI::showImage(const QString& filename, const QString& mtype)
 {
     qDebug() << "showImage called!";
     bb::system::InvokeManager manager;
@@ -128,6 +128,7 @@ void ApplicationUI::showImage(const QString& filename)
     request.setUri(QUrl::fromLocalFile(filename));
     request.setTarget("sys.pictures.card.previewer");
     request.setAction("bb.action.VIEW");
+    request.setMimeType(mtype);
     bb::system::InvokeTargetReply *targetReply = manager.invoke(request);
     manager.setParent(this);
 
diff --git a/src/applicationui.hpp b/src/applicationui.hpp
index 4ac4f70..96cfbf8 100644
--- a/src/applicationui.hpp
+++ b/src/applicationui.hpp
@@ -48,7 +48,7 @@ public:
     Q_INVOKABLE void setSetting(const QString &key, const QString &value);
     Q_INVOKABLE QString appversion();
     Q_INVOKABLE void copyText(QByteArray text);
-    Q_INVOKABLE void showImage(const QString &filename);
+    Q_INVOKABLE void showImage(const QString &filename, const QString &mtype);
 
 Q_SIGNALS:
     void createPost(QByteArray text);