diff --git a/code/__DEFINES/antagonists.dm b/code/__DEFINES/antagonists.dm
index 11189cf1af..20b4f03d71 100644
--- a/code/__DEFINES/antagonists.dm
+++ b/code/__DEFINES/antagonists.dm
@@ -120,3 +120,6 @@ GLOBAL_LIST_EMPTY(living_heart_cache)	//A list of all living hearts in existance
 /// TC to charge someone if they get a free implant through choice or
 /// because they have nothing else that supports an implant.
 #define UPLINK_IMPLANT_TELECRYSTAL_COST 4
+
+/// The dimensions of the antagonist preview icon. Will be scaled to this size.
+#define ANTAGONIST_PREVIEW_ICON_SIZE 96