diff --git a/doc/builds.mdwn b/doc/builds.mdwn
index 1b381b73c1..dcbe98e4c2 100644
--- a/doc/builds.mdwn
+++ b/doc/builds.mdwn
@@ -3,22 +3,22 @@
 ## last uploaded build-versions
 
 <h2>Linux i386</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/i386/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/i386/build-version">
 </iframe>
 <h2>Linux amd64</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/amd64/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/amd64/build-version">
 </iframe>
 <h2>Linux armel</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/armel/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/armel/build-version">
 </iframe>
 <h2>Android</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/android/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/android/build-version">
 </iframe>
 <h2>OSX Mavericks</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/x86_64-apple-mavericks/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/x86_64-apple-mavericks/build-version">
 </iframe>
 <h2>Windows</h2>
-<iframe width=1024 scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/windows/build-version">
+<iframe width=1024 height=1em scrolling=no frameborder=0 marginheight=0 marginwidth=0 src="https://downloads.kitenet.net/git-annex/autobuild/windows/build-version">
 </iframe>
 
 ## build logs