diff --git a/.github/workflows/ccpp_mac.yml b/.github/workflows/ccpp_mac.yml
index 3fdce3b67..51788f734 100644
--- a/.github/workflows/ccpp_mac.yml
+++ b/.github/workflows/ccpp_mac.yml
@@ -18,7 +18,7 @@ jobs:
       run: mkdir deps/build
     - name: cmake deps
       working-directory: ./deps/build
-      run: cmake .. -DCMAKE_OSX_DEPLOYMENT_TARGET="10.14"
+      run: cmake .. -DCMAKE_OSX_DEPLOYMENT_TARGET="10.13"
     - name: make deps
       working-directory: ./deps/build
       run: make
@@ -29,7 +29,7 @@ jobs:
       run: mkdir build
     - name: cmake
       working-directory: ./build
-      run: cmake .. -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.14" -DSLIC3R_STATIC=1
+      run: cmake .. -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.13" -DSLIC3R_STATIC=1
     - name: make slic3r
       working-directory: ./build
       run: make slic3r
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 0e0aad5a0..73a01dffc 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -23,7 +23,10 @@
 #include <wx/settings.h>
 #include <wx/filedlg.h>
 
+#include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/predicate.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/filesystem/path.hpp>
 #include "wxExtensions.hpp"
 #include <wx/wupdlock.h>
 
@@ -1035,8 +1038,8 @@ bool Tab::create_pages(std::string setting_type_name)
 {
     std::cout << "create settings  " << setting_type_name << "\n";
     //search for the file
-    const auto ui_layout_file = (boost::filesystem::path(resources_dir()) / "ui_layout" / setting_type_name).make_preferred();
-    if (!boost::filesystem::exists(ui_layout_file)) return false;
+    const boost::filesystem::path ui_layout_file = (boost::filesystem::path(resources_dir()) / "ui_layout" / setting_type_name).make_preferred();
+    if (! boost::filesystem::exists(ui_layout_file)) return false;
 
     Slic3r::GUI::PageShp current_page;
     ConfigOptionsGroupShp current_group;