diff --git a/src/table/townname.h b/src/table/townname.h
diff --git a/src/textfile_gui.cpp b/src/textfile_gui.cpp
@@ -359,7 +359,7 @@ static void Xunzip(byte **bufp, size_t *sizep)
 	}
 
 	/* Check for the byte-order-mark, and skip it if needed. */
-	char *p = this->text + (strncmp("\xEF\xBB\xBF", this->text, 3) == 0 ? 3 : 0);
+	char *p = this->text + (strncmp(u8"\ufeff", this->text, 3) == 0 ? 3 : 0);
 
 	/* Make sure the string is a valid UTF-8 sequence. */
 	str_validate(p, this->text + filesize, SVS_REPLACE_WITH_QUESTION_MARK | SVS_ALLOW_NEWLINE);

diff --git a/src/townname.cpp b/src/townname.cpp
@@ -505,7 +505,7 @@ static char *MakeFinnishTownName(char *buf, const char *last, uint32 seed)
 				strstr(orig, "A") != nullptr || strstr(orig, "O") != nullptr || strstr(orig, "U")  != nullptr) {
 			buf = strecpy(buf, "la", last);
 		} else {
-			buf = strecpy(buf, "l\xC3\xA4", last);
+			buf = strecpy(buf, u8"l\u00e4", last);
 		}
 		return buf;
 	}