diff --git a/iw5/scripts/mp/_utility.gsh b/iw5/scripts/mp/_utility.gsh
index 1beab03..fd4cb7e 100644
--- a/iw5/scripts/mp/_utility.gsh
+++ b/iw5/scripts/mp/_utility.gsh
@@ -1,5 +1,7 @@
 /* Meaning of some macros:
-* T4: Plutonium
+* T4: Plutonium - Generic
+* T4MP: Plutonium - Multiplayer only
+* T4SP: Plutonium - Singleplayer only
 * IW4MP: Multiplayer only
 * IW4SP: Singleplayer only
 * IW4: Generic
@@ -26,7 +28,7 @@
 
 #define TEMP_DVAR "temp_dvar_util"
 
-#if defined(T4)
+#if defined(T4SP)
 	#define CLIENT_FIELD_NAME playername
 #else
 	#define CLIENT_FIELD_NAME name