diff --git a/app/viewmainpage.cpp b/app/viewmainpage.cpp
--- a/app/viewmainpage.cpp
+++ b/app/viewmainpage.cpp
@@ -55,6 +55,7 @@
 #include <lib/fullscreenbar.h>
 #include <lib/gvdebug.h>
 #include <lib/gwenviewconfig.h>
+#include <lib/mimetypeutils.h>
 #include <lib/paintutils.h>
 #include <lib/semanticinfo/sorteddirmodel.h>
 #include <lib/slidecontainer.h>
@@ -716,6 +717,7 @@
         view->openUrl(url, d->mZoomMode == ZoomMode::Individual && savedSetup.valid ? savedSetup : setup);
 #ifdef KF5Activities_FOUND
         d->mActivityResources.value(view)->setUri(url);
+        d->mActivityResources.value(view)->setMimetype(MimeTypeUtils::urlMimeType(url));
 #endif
     }