1 files changed, 5 insertions, 0 deletions
diff --git a/src/extension/internal/wmf-inout.cpp b/src/extension/internal/wmf-inout.cpp
index 373138187..e7dfa46d7 100644
--- a/src/extension/internal/wmf-inout.cpp
+++ b/src/extension/internal/wmf-inout.cpp
@@ -3171,6 +3171,11 @@ Wmf::open( Inkscape::Extension::Input * /*mod*/, const gchar *uri )
 
     d.tri = trinfo_release_except_FC(d.tri);
 
+    // Set viewBox if it doesn't exist
+    if (!doc->getRoot()->viewBox_set) {
+        doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().quantity, doc->getHeight().quantity));
+    }
+
     return doc;
 }