diff --git a/src/calibre/ebooks/docx/images.py b/src/calibre/ebooks/docx/images.py
index e16bedb160..76f43e7e0c 100644
--- a/src/calibre/ebooks/docx/images.py
+++ b/src/calibre/ebooks/docx/images.py
@@ -134,8 +134,7 @@ class Images(object):
                 if rid in self.rid_map:
                     src = self.generate_filename(rid, name)
                     img = IMG(src='images/%s' % src)
-                    if alt:
-                        img.set('alt', alt)
+                    img.set('alt', alt or 'Image')
                     return img
 
     def drawing_to_html(self, drawing, page):
@@ -167,8 +166,7 @@ class Images(object):
                 src = self.generate_filename(rid)
                 img = IMG(src='images/%s' % src, style="display:block")
                 alt = get(imagedata, 'o:title')
-                if alt:
-                    img.set('alt', alt)
+                img.set('alt', alt or 'Image')
                 yield img
 
     def get_float_properties(self, anchor, style, page):
diff --git a/src/calibre/ebooks/docx/to_html.py b/src/calibre/ebooks/docx/to_html.py
index 2e57914e55..2c84173672 100644
--- a/src/calibre/ebooks/docx/to_html.py
+++ b/src/calibre/ebooks/docx/to_html.py
@@ -420,9 +420,9 @@ class Convert(object):
             if anchor and anchor in self.anchor_map:
                 span.set('href', '#' + self.anchor_map[anchor])
                 continue
-            self.log.warn('Hyperlink with unknown target (%s, %s), ignoring' %
+            self.log.warn('Hyperlink with unknown target (rid=%s, anchor=%s), ignoring' %
                           (rid, anchor))
-            span.set('href', '#')
+            # span.set('href', '#')
 
     def convert_run(self, run):
         ans = SPAN()