diff --git a/metadata/org.fdroid.k9.txt b/metadata/org.fdroid.k9.txt
index 320c2e0a7a..969cfa8e28 100644
--- a/metadata/org.fdroid.k9.txt
+++ b/metadata/org.fdroid.k9.txt
@@ -103,7 +103,7 @@ rm -rf ../../libs/jzlib* ../../libs/htmlcleaner*.zip jzlib*,build=\
 $$MVN3$$ package -f HtmlCleaner/pom.xml && \
 mv HtmlCleaner/target/htmlcleaner-2.2.jar libs/ && \
 rm -rf HtmlCleaner
-Build Version:4.401,17038,4.401,\
+Build Version:4.401-fdroid,17038,4.401,forceversion=yes,\
 srclibs=Jutf7@20,extlibs=jzlib/jzlib-1.0.7.tar.gz,\
 update=.;plugins/HoloColorPicker;plugins/Android-PullToRefresh/library;\
 plugins/ckChangeLog/library;plugins/ActionBarSherlock/library,init=\