diff --git a/src/vapoursynth_common.cpp b/src/vapoursynth_common.cpp
index 617849360..52614528c 100644
--- a/src/vapoursynth_common.cpp
+++ b/src/vapoursynth_common.cpp
@@ -23,15 +23,17 @@
 #include <boost/algorithm/string/replace.hpp>
 
 int OpenScriptOrVideo(const VSSCRIPTAPI *api, VSScript *script, agi::fs::path const& filename, std::string default_script) {
+	int result;
 	if (agi::fs::HasExtension(filename, "py") || agi::fs::HasExtension(filename, "vpy")) {
-		return api->evaluateFile(script, filename.string().c_str());
+		result = api->evaluateFile(script, filename.string().c_str());
 	} else {
 		std::string fname = filename.string();
 		boost::replace_all(fname, "\\", "\\\\");
 		boost::replace_all(fname, "'", "\\'");
 		std::string vscript = "filename = '" + fname + "'\n" + default_script;
-		return api->evaluateBuffer(script, vscript.c_str(), "aegisub");
+		result = api->evaluateBuffer(script, vscript.c_str(), "aegisub");
 	}
+	return result;
 }
 
 #endif // WITH_VAPOURSYNTH
diff --git a/src/vapoursynth_wrap.cpp b/src/vapoursynth_wrap.cpp
index d0d0fbd8b..ac2b87dff 100644
--- a/src/vapoursynth_wrap.cpp
+++ b/src/vapoursynth_wrap.cpp
@@ -78,7 +78,12 @@ VapourSynthWrapper::VapourSynthWrapper() {
 		if (!getVSScriptAPI)
 			throw VapoursynthError("Failed to get address of getVSScriptAPI from " VSSCRIPT_SO);
 
+		// Python will set the program's locale to the user's default locale, which will break
+		// half of wxwidgets on some operating systems due to locale mismatches. There's not really anything
+		// we can do to fix it except for saving it and setting it back to its original value afterwards.
+		std::string oldlocale(setlocale(LC_ALL, NULL));
 		scriptapi = getVSScriptAPI(VSSCRIPT_API_VERSION);
+		setlocale(LC_ALL, oldlocale.c_str());
 
 		if (!scriptapi)
 			throw VapoursynthError("Failed to get Vapoursynth ScriptAPI");