diff --git a/zone/aa.cpp b/zone/aa.cpp
index 9fa76a9d4..1ec78e769 100644
--- a/zone/aa.cpp
+++ b/zone/aa.cpp
@@ -1208,6 +1208,17 @@ void Client::ActivateAlternateAdvancementAbility(int rank_id, int target_id) {
 	if (spells[rank->spell].targettype == ST_Pet || spells[rank->spell].targettype == ST_SummonedPet)
 		target_id = GetPetID();
 
+	// extra handling for cast_not_standing spells
+	if (!spells[rank->spell].cast_not_standing) {
+		if (GetAppearance() == eaSitting) // we need to stand!
+			SetAppearance(eaStanding, false);
+
+		if (GetAppearance() != eaStanding) {
+			Message_StringID(MT_SpellFailure, STAND_TO_CAST);
+			return;
+		}
+	}
+
 	// Bards can cast instant cast AAs while they are casting another song
 	if(spells[rank->spell].cast_time == 0 && GetClass() == BARD && IsBardSong(casting_spell_id)) {
 		if(!SpellFinished(rank->spell, entity_list.GetMob(target_id), EQEmu::CastingSlot::AltAbility, spells[rank->spell].mana, -1, spells[rank->spell].ResistDiff, false)) {
diff --git a/zone/string_ids.h b/zone/string_ids.h
index 2c223ffbd..acab3df22 100644
--- a/zone/string_ids.h
+++ b/zone/string_ids.h
@@ -418,6 +418,7 @@
 #define NO_LONGER_HIDDEN			12337   //You are no longer hidden.
 #define STOP_SNEAKING				12338	//You stop sneaking
 #define NOT_IN_CONTROL				12368	//You do not have control of yourself right now.
+#define STAND_TO_CAST				12441	//You must be standing to cast a spell.
 #define ALREADY_CASTING				12442	//You are already casting a spell!
 #define SHIMMERS_BRIEFLY			12444	//Your %1 shimmers briefly.
 #define SENSE_CORPSE_NOT_NAME		12446	//You don't sense any corpses of that name.