diff --git a/code/__DEFINES/atmospherics.dm b/code/__DEFINES/atmospherics.dm
index 0610b2532c..74a6796bd2 100644
--- a/code/__DEFINES/atmospherics.dm
+++ b/code/__DEFINES/atmospherics.dm
@@ -150,7 +150,7 @@
 
 //OPEN TURF ATMOS
 #define OPENTURF_DEFAULT_ATMOS		"o2=22;n2=82;TEMP=293.15" //the default air mix that open turfs spawn
-#define TCOMMS_ATMOS				"n2=100;TEMP=80" //-193,15�C telecommunications. also used for xenobiology slime killrooms
+#define TCOMMS_ATMOS				"n2=100;TEMP=80" //-193,15°C telecommunications. also used for xenobiology slime killrooms
 #define AIRLESS_ATMOS				"TEMP=2.7" //space
 #define FROZEN_ATMOS				"o2=22;n2=82;TEMP=180" //-93.15°C snow and ice turfs
 #define BURNMIX_ATMOS				"o2=2500;plasma=5000;TEMP=370" //used in the holodeck burn test program