diff --git a/subprojects/gst-plugins-bad/ext/webrtcdsp/meson.build b/subprojects/gst-plugins-bad/ext/webrtcdsp/meson.build
index 913af0ca6e..f6bf69ec20 100644
--- a/subprojects/gst-plugins-bad/ext/webrtcdsp/meson.build
+++ b/subprojects/gst-plugins-bad/ext/webrtcdsp/meson.build
@@ -17,6 +17,8 @@ plugin_sources += {
   'webrtcdsp': pathsep.join(doc_sources)
 }
 
+default_cppstd = 'cpp_std=c++17'
+
 webrtc_dep = dependency('webrtc-audio-processing-2', version : ['>= 2.0'],
                         required : false)
 if not webrtc_dep.found()
@@ -29,8 +31,15 @@ endif
 
 if not webrtc_dep.found()
   # Try again, and this time use fallback if requested and possible
+  cc = meson.get_compiler('cpp')
+  if cc.get_id() == 'msvc'
+    # MSVC doesn't like designated initalizers without c++20
+    default_cppstd = 'cpp_std=c++20'
+  endif
+
   webrtc_dep = dependency('webrtc-audio-processing-2', version : ['>= 2.0'],
                           allow_fallback : true,
+                          default_options : [default_cppstd],
                           required : get_option('webrtcdsp'))
 endif
 
@@ -43,7 +52,7 @@ if webrtc_dep.found()
     dependencies : [gstbase_dep, gstaudio_dep, gstbadaudio_dep, webrtc_dep],
     install : true,
     install_dir : plugins_install_dir,
-    override_options : ['cpp_std=c++17'],
+    override_options : [default_cppstd],
   )
   plugins += [gstwebrtcdsp]
 endif