diff --git a/libsodium b/libsodium
index 914033d..b6e1e94 160000
--- a/libsodium
+++ b/libsodium
@@ -1 +1 @@
-Subproject commit 914033d2c70831b86e94a25f27e61a94bc7d45c8
+Subproject commit b6e1e94cfb3d8dffdb1bb92b6102e5fad5fe6093
diff --git a/src/ILog.h b/src/ILog.h
index 68f11ca..01bdc7d 100644
--- a/src/ILog.h
+++ b/src/ILog.h
@@ -19,11 +19,12 @@ private:
 public:
 	virtual ~MyException() override = default;
 	MyException() = delete;
-	explicit MyException(const std::string &m) noexcept :err(m.c_str()),err_number(-1){}
 	explicit MyException(const char* sz) noexcept :err(sz),err_number(-1) {}
+	explicit MyException(const std::string& m) noexcept :err(m.c_str()), err_number(-1) {}
 	explicit MyException(const char* sz, int i) noexcept :err(sz), err_number(i) {}
 	explicit MyException(const char* sz, int i, const char*, const char*) noexcept;
 	// usage throw MyException("error", __LINE__, __func__, __FILE__);
+	explicit MyException(const std::string& m, int i, const char* func, const char* file) noexcept : MyException(m.c_str(), i, func, file) {}
 	explicit MyException(int, sqlite3*) noexcept;
 	virtual const char* what() const override {
 		return err.c_str();
diff --git a/src/unit_test.cpp b/src/unit_test.cpp
index 9ce7780..327c417 100644
--- a/src/unit_test.cpp
+++ b/src/unit_test.cpp
@@ -270,28 +270,22 @@ static bool CheckForUtfEnvironment(void) {
 		wxString utfError{ wxT("") };
 		if constexpr (b_WINDOWS) {
 			auto ACP{ GetACP() };
+			// Check that windows thinks this is UTF8
 			utfEnvironment = utfEnvironment && (ACP == 65001);
 			if (!utfEnvironment) {
 				utfError += wxString::Format(wxT("current code page %d—should be 65001☹, "), ACP);
 			}
 		}
 		auto FontEncoding{ wxLocale::GetSystemEncoding() };
-		utfEnvironment = utfEnvironment && (false
-			|| (FontEncoding == wxFONTENCODING_UTF8)
-			|| (FontEncoding == wxFONTENCODING_UTF16BE)
-			|| (FontEncoding == wxFONTENCODING_UTF16LE)
-			|| (FontEncoding == wxFONTENCODING_UTF32BE)
-			|| (FontEncoding == wxFONTENCODING_UTF32LE)
-			|| (FontEncoding == wxFONTENCODING_SYSTEM)
-			);
+		// check that wxWidgets thinks this is UTF8
+		utfEnvironment = utfEnvironment && (FontEncoding == wxFONTENCODING_UTF8);
 		if (!utfEnvironment) {
 			utfError = wxString::Format(wxT("%swxFontEncoding %d—should be %d☹"),
 				utfError,
 				FontEncoding,
 				wxFONTENCODING_UTF8);
-			wxLogMessage(wxT("%s"), utfError);
+			throw MyException(utfError.c_str(), __LINE__, __func__, SrcFilename);
 		}
-		if (!utfEnvironment) { throw MyException(utfError); }
 	}
 	catch (const MyException& e) {
 		errorCode = e.what_num();