diff --git a/tools/postinstall-fixup/common.sh b/tools/postinstall-fixup/common.sh
index adeca65ed59..dd4cd113c61 100644
--- a/tools/postinstall-fixup/common.sh
+++ b/tools/postinstall-fixup/common.sh
@@ -41,7 +41,7 @@ function clean_default_plugins()
       ; do
       disabled_plugins=$disabled_plugins'\|'$plugin
   done
-  grep -v $disabled_plugins "$1/plugin_list.conf.default" >> "$1/plugin_list.conf"
+  grep -v $disabled_plugins$2 "$1/plugin_list.conf.default" >> "$1/plugin_list.conf"
 }
 
 function move_metis()
diff --git a/tools/postinstall-fixup/windows-postinstall-fixup.sh b/tools/postinstall-fixup/windows-postinstall-fixup.sh
index cd05dde105b..4f9ea4bf29c 100644
--- a/tools/postinstall-fixup/windows-postinstall-fixup.sh
+++ b/tools/postinstall-fixup/windows-postinstall-fixup.sh
@@ -25,7 +25,7 @@ echo "INSTALL_DIR = $INSTALL_DIR"
 echo "INSTALL_DIR_BIN = $INSTALL_DIR_BIN"
 
 source $SCRIPT_DIR/common.sh
-clean_default_plugins "$INSTALL_DIR_BIN"
+clean_default_plugins "$INSTALL_DIR_BIN" "'\|'Sofa.Metis"
 
 move_metis "$INSTALL_DIR"