diff --git a/ci-scripts/windows/fix_wheel.sh b/ci-scripts/windows/fix_wheel.sh
index 3ac9593c9..8890b98a6 100644
--- a/ci-scripts/windows/fix_wheel.sh
+++ b/ci-scripts/windows/fix_wheel.sh
@@ -70,6 +70,7 @@ cp -v $KLAYOUT_BITS/curl/bin/* .
 cp -v $KLAYOUT_BITS/expat/bin/* .
 cp -v $KLAYOUT_BITS/ptw/bin/* .
 cp -v $KLAYOUT_BITS/zlib/bin/* .
+cp -v $KLAYOUT_BITS/png/bin/* .
 # if [ $? -ne 0 ]; then
 #     >&2 echo "ERROR: lib not found. Quitting."
 #     exit 1
diff --git a/src/layview/layview/gsiDeclLayLayoutView_noqt.cc b/src/layview/layview/gsiDeclLayLayoutView_noqt.cc
index d49f02fba..a0eaf8235 100644
--- a/src/layview/layview/gsiDeclLayLayoutView_noqt.cc
+++ b/src/layview/layview/gsiDeclLayLayoutView_noqt.cc
@@ -35,7 +35,7 @@ static lay::LayoutView *new_view2 (bool editable, db::Manager *manager, unsigned
   return new lay::LayoutView (manager, editable, 0 /*plugin parent*/, options);
 }
 
-LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase;
+extern LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase;
 
 Class<lay::LayoutView> decl_LayoutView (decl_LayoutViewBase, "lay", "LayoutView",
   gsi::constructor ("new", &new_view2, gsi::arg ("editable", false), gsi::arg ("manager", (db::Manager *) 0, "nil"), gsi::arg ("options", (unsigned int) 0),