diff --git a/buildscripts/winbuild.sh b/buildscripts/winbuild.sh
index 43d8cf34..989e59bd 100755
--- a/buildscripts/winbuild.sh
+++ b/buildscripts/winbuild.sh
@@ -167,6 +167,14 @@ function build_exe(){
 	wine pyinstaller bitmessagemain.spec
 }
 
+function dryrun_exe(){
+       cd "${BASE_DIR}" || exit 1
+       if [ ! "${MACHINE_TYPE}" == 'x86_64' ]; then
+	   local VERSION=$(python setup.py --version)
+	   wine packages/pyinstaller/dist/Bitmessage_x86_$VERSION.exe -t
+       fi
+}
+
 # prepare on ubuntu
 # dpkg --add-architecture i386
 # apt update
@@ -187,3 +195,4 @@ install_msgpack
 install_pyinstaller
 build_dll
 build_exe
+dryrun_exe
diff --git a/packages/pyinstaller/bitmessagemain.spec b/packages/pyinstaller/bitmessagemain.spec
index 9249fc79..082cc6fd 100644
--- a/packages/pyinstaller/bitmessagemain.spec
+++ b/packages/pyinstaller/bitmessagemain.spec
@@ -34,7 +34,7 @@ a = Analysis(
     ],
     hookspath=None,
     runtime_hooks=None,
-    excludes=['bsddb', 'bz2', 'tcl', 'tk', 'Tkinter']
+    excludes=['bsddb', 'bz2', 'tcl', 'tk', 'Tkinter', 'tests']
 )
 
 os.rename(