diff --git a/include/wx/msw/wx.manifest b/include/wx/msw/wx.manifest
index 45bfff90dd..6cd2fc5903 100644
--- a/include/wx/msw/wx.manifest
+++ b/include/wx/msw/wx.manifest
@@ -19,4 +19,9 @@
         />
     </dependentAssembly>
 </dependency>
+<application>
+    <windowsSettings>
+        <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
+    </windowsSettings>
+</application>
 </assembly>
diff --git a/include/wx/msw/wx_dpi_aware.manifest b/include/wx/msw/wx_dpi_aware.manifest
index 28733f1cab..441cbafe1f 100644
--- a/include/wx/msw/wx_dpi_aware.manifest
+++ b/include/wx/msw/wx_dpi_aware.manifest
@@ -15,6 +15,7 @@
   <asmv3:application>
     <asmv3:windowsSettings>
       <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
     </asmv3:windowsSettings>
   </asmv3:application>
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
diff --git a/include/wx/msw/wx_dpi_aware_pmv2.manifest b/include/wx/msw/wx_dpi_aware_pmv2.manifest
index f8a475152d..f80ef49c86 100644
--- a/include/wx/msw/wx_dpi_aware_pmv2.manifest
+++ b/include/wx/msw/wx_dpi_aware_pmv2.manifest
@@ -16,6 +16,7 @@
     <asmv3:windowsSettings>
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, system</dpiAwareness>
       <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+      <activeCodePage xmlns="http://schemas.microsoft.com/SMI/2019/WindowsSettings">UTF-8</activeCodePage>
     </asmv3:windowsSettings>
   </asmv3:application>
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">