diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp
--- a/src/misc_gui.cpp
+++ b/src/misc_gui.cpp
@@ -315,7 +315,7 @@ struct AboutWindow : public Window {
 			"  Matthijs Kooijman (blathijs) - Pathfinder-guru, pool rework",
 			"  Victor Fischer (Celestar) - Programming everywhere you need him to",
 			"  Christoph Elsenhans (frosch) - General coding",
-			"  Loïc Guilloux (glx) - Windows Expert",
+			"  Lo\xC3\xAF""c Guilloux (glx) - Windows Expert",
 			"  Michael Lutz (michi_cc) - Path based signals",
 			"  Owen Rudge (orudge) - Forum host, OS/2 port",
 			"  Peter Nelson (peter1138) - Spiritual descendant from newGRF gods",
@@ -324,10 +324,10 @@ struct AboutWindow : public Window {
 			"  Thijs Marinussen (Yexo) - AI Framework",
 			"",
 			"Inactive Developers:",
-			"  Tamás Faragó (Darkvater) - Ex-Lead coder",
+			"  Tam\xC3\xA1s Farag\xC3\xB3 (Darkvater) - Ex-Lead coder",
 			"  Jaroslav Mazanec (KUDr) - YAPG (Yet Another Pathfinder God) ;)",
 			"  Jonathan Coome (Maedhros) - High priest of the NewGRF Temple",
-			"  Attila Bán (MiHaMiX) - WebTranslator, Nightlies, Wiki and bugtracker host",
+			"  Attila B\xC3\xA1n (MiHaMiX) - WebTranslator, Nightlies, Wiki and bugtracker host",
 			"  Christoph Mallon (Tron) - Programmer, code correctness police",
 			"",
 			"Retired Developers:",