diff --git a/spell/MoodChange/spell_aggravation.arc b/spell/MoodChange/spell_aggravation.arc
index d8abd9021..ccc7f04be 100644
--- a/spell/MoodChange/spell_aggravation.arc
+++ b/spell/MoodChange/spell_aggravation.arc
@@ -21,4 +21,6 @@ monster 1
 msg
 With a well-placed taunt, aggravation can drive most creatures into a rage, compelling them to attack you instead of an ally or no one at all.
 endmsg
+# Because this has the monster flag set, it gets tossed in bestiaries.
+exclude_from_readable 1
 end