diff --git a/bin/build-dist b/bin/build-dist
index 0d4355805..79c898388 100755
--- a/bin/build-dist
+++ b/bin/build-dist
@@ -20,7 +20,7 @@ fi
 pyinstaller_args+="--hidden-import gi.repository.Gtk "
 
 # mac and windows build seem to miss wx import
-pyinstaller_args+="--hidden-import wx"
+pyinstaller_args+="--hidden-import wx "
 
 # This lets pyinstaller see inkex.py, etc.
 pyinstaller_args+="-p inkscape-0.92.3/share/extensions "