diff --git a/wine-tibbo/build.sh b/wine-tibbo/build.sh
index 275772032618cdd3122301ba082872b1643aab7b..2efb7a2a27ec9d05ba313d4873bd5ef405f8452b 100644
--- a/wine-tibbo/build.sh
+++ b/wine-tibbo/build.sh
@@ -7,7 +7,7 @@ export WINEARCH="win32"
 apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
 echo "deb http://download.mono-project.com/repo/debian jessie main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
 apt-get update
-apt-get install -y mono-complete
+apt-get install -y mono-complete winbind        # winbind - ntlm_auth for .NET
 
 # Install WINE
 echo "deb http://httpredir.debian.org/debian jessie-backports main contrib non-free" >> /etc/apt/sources.list
diff --git a/wine-tibbo/build_as_vagrant.sh b/wine-tibbo/build_as_vagrant.sh
index 03cf2262cc85563dc6468c6e807eccca271639ca..2618d0a0f86e96803ba0920bd321f6885a1e073d 100644
--- a/wine-tibbo/build_as_vagrant.sh
+++ b/wine-tibbo/build_as_vagrant.sh
@@ -27,7 +27,7 @@ fi
 
 # WINE extensions - max 15 minutes!
 cd /home/vagrant/.wine/drive_c
-winetricks dotNet40 &
+winetricks dotnet40 corefonts &
 
 sleep 600
 kill -9 %2 || true