diff --git a/contrib/build-wine/build-electrum-git.sh b/contrib/build-wine/build-electrum-git.sh
index a46be146..2fd6ea00 100755
--- a/contrib/build-wine/build-electrum-git.sh
+++ b/contrib/build-wine/build-electrum-git.sh
@@ -16,6 +16,7 @@ PYTHON="wine $PYHOME/python.exe -OO -B"
 cd `dirname $0`
 set -e
 
+mkdir -p tmp
 cd tmp
 
 for repo in electrum electrum-locale electrum-icons; do