diff --git a/src/file/basicindexingjob.cpp b/src/file/basicindexingjob.cpp
--- a/src/file/basicindexingjob.cpp
+++ b/src/file/basicindexingjob.cpp
@@ -216,6 +216,7 @@
         {"appliaction/wps-office.pptx", Type::Presentation},
         // Other
         {"text/markdown", Type::Document},
+        {"image/vnd.djvu+multipage", Type::Document},
         {"application/x-lyx", Type::Document}
     };