diff --git a/common/spdat.cpp b/common/spdat.cpp
index 064b8fb61..a5764a625 100644
--- a/common/spdat.cpp
+++ b/common/spdat.cpp
@@ -244,8 +244,7 @@ bool IsBeneficialSpell(uint16 spell_id)
 			} else {
 				// If the resisttype is not magic and spell is Bind Sight or Cast Sight
 				// It's not beneficial
-				if (sai == SAI_Dispell_Sight && spells[spell_id].skill == 18 &&
-						!IsEffectInSpell(spell_id, SE_VoiceGraft))
+				if ((sai == SAI_Calm && IsEffectInSpell(spell_id, SE_Harmony)) || (sai == SAI_Calm_Song && IsEffectInSpell(spell_id, SE_BindSight)) || (sai == SAI_Dispell_Sight && spells[spell_id].skill == 18 && !IsEffectInSpell(spell_id, SE_VoiceGraft)))
 					return false;
 			}
 		}