diff --git a/src/strings.cpp b/src/strings.cpp
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -1998,11 +1998,9 @@ const char *GetCurrentLanguageIsoCode()
 
 /**
  * Check whether there are glyphs missing in the current language.
- * @param[out] str Pointer to an address for storing the text pointer.
  * @return If glyphs are missing, return \c true, else return \c false.
- * @post If \c true is returned and str is not nullptr, *str points to a string that is found to contain at least one missing glyph.
  */
-bool MissingGlyphSearcher::FindMissingGlyphs(const char **str)
+bool MissingGlyphSearcher::FindMissingGlyphs()
 {
 	InitFreeType(this->Monospace());
 	const Sprite *question_mark[FS_END];
@@ -2014,7 +2012,6 @@ bool MissingGlyphSearcher::FindMissingGl
 	this->Reset();
 	for (const char *text = this->NextString(); text != nullptr; text = this->NextString()) {
 		FontSize size = this->DefaultSize();
-		if (str != nullptr) *str = text;
 		for (WChar c = Utf8Consume(&text); c != '\0'; c = Utf8Consume(&text)) {
 			if (c >= SCC_FIRST_FONT && c <= SCC_LAST_FONT) {
 				size = (FontSize)(c - SCC_FIRST_FONT);
@@ -2095,7 +2092,7 @@ void CheckForMissingGlyphs(bool base_fon
 {
 	static LanguagePackGlyphSearcher pack_searcher;
 	if (searcher == nullptr) searcher = &pack_searcher;
-	bool bad_font = !base_font || searcher->FindMissingGlyphs(nullptr);
+	bool bad_font = !base_font || searcher->FindMissingGlyphs();
 #if defined(WITH_FREETYPE) || defined(_WIN32)
 	if (bad_font) {
 		/* We found an unprintable character... lets try whether we can find