diff --git a/Source/items.cpp b/Source/items.cpp
index 2c7effdee29..c66085443d1 100644
--- a/Source/items.cpp
+++ b/Source/items.cpp
@@ -2809,7 +2809,7 @@ void CalcPlrItemVals(Player &player, bool loadgfx)
 			maxDamage += item._iMaxDam;
 			ac += item._iAC;
 
-			if (IsValidSpell(item._iSpell)) {
+			if (IsValidSpell(item._iSpell) && item._iCharges != 0) {
 				spells |= GetSpellBitmask(item._iSpell);
 			}