diff --git a/ports/wxwidgets/CONTROL b/ports/wxwidgets/CONTROL
index e41e87222..e69ead3ad 100644
--- a/ports/wxwidgets/CONTROL
+++ b/ports/wxwidgets/CONTROL
@@ -1,5 +1,5 @@
 Source: wxwidgets
-Version: 3.1.3
+Version: 3.1.3-1
 Homepage: https://github.com/wxWidgets/wxWidgets
 Description: wxWidgets is a widget toolkit and tools library for creating graphical user interfaces (GUIs) for cross-platform applications.
 Build-Depends: zlib, libpng, tiff, expat
diff --git a/ports/wxwidgets/fix-macos-clipboard.patch b/ports/wxwidgets/fix-macos-clipboard.patch
new file mode 100644
index 000000000..9f37cc1d9
--- /dev/null
+++ b/ports/wxwidgets/fix-macos-clipboard.patch
@@ -0,0 +1,26 @@
+diff --git a/src/osx/carbon/clipbrd.cpp b/src/osx/carbon/clipbrd.cpp
+index 274e200..6012d37 100644
+--- a/src/osx/carbon/clipbrd.cpp
++++ b/src/osx/carbon/clipbrd.cpp
+@@ -60,7 +60,11 @@ void wxClipboard::Clear()
+ 
+ bool wxClipboard::Flush()
+ {
+-    return false;
++    wxCHECK_MSG( m_open, false, wxT("clipboard not open") );
++
++    wxOSXPasteboard::GetGeneralClipboard()->Flush();
++
++    return true;
+ }
+ 
+ bool wxClipboard::Open()
+@@ -105,6 +109,8 @@ bool wxClipboard::AddData( wxDataObject *data )
+ 
+     data->WriteToSink(wxOSXPasteboard::GetGeneralClipboard());
+ 
++    Flush();
++
+     m_data = data;
+ 
+     return true;
diff --git a/ports/wxwidgets/portfile.cmake b/ports/wxwidgets/portfile.cmake
index e2cb15df1..530605782 100644
--- a/ports/wxwidgets/portfile.cmake
+++ b/ports/wxwidgets/portfile.cmake
@@ -5,7 +5,7 @@ vcpkg_from_github(
     REF v3.1.3
     SHA512 4ecb5c2d13f9bda7aa3c12e887c351a0004509ec24bdd440542bec67e1b6dca20e7838a01236a71dd3cf2e1ba0653c40878047f406464cb2c9ee07c26d6f2599
     HEAD_REF master
-    PATCHES disable-platform-lib-dir.patch
+    PATCHES disable-platform-lib-dir.patch fix-macos-clipboard.patch
 )
 
 set(OPTIONS)