diff --git a/src/main/java/electroblob/wizardry/client/gui/GuiSpellDisplay.java b/src/main/java/electroblob/wizardry/client/gui/GuiSpellDisplay.java
index 230989cb..a6e40160 100644
--- a/src/main/java/electroblob/wizardry/client/gui/GuiSpellDisplay.java
+++ b/src/main/java/electroblob/wizardry/client/gui/GuiSpellDisplay.java
@@ -14,6 +14,7 @@ import electroblob.wizardry.item.ISpellCastingItem;
 import electroblob.wizardry.registry.Spells;
 import electroblob.wizardry.registry.WizardryPotions;
 import electroblob.wizardry.spell.Spell;
+import electroblob.wizardry.util.SpellModifiers;
 import electroblob.wizardry.util.WandHelper;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.FontRenderer;
@@ -154,12 +155,19 @@ public class GuiSpellDisplay {
 
 		Spell spell = WandHelper.getCurrentSpell(wand);
 
-		if(spell.getChargeup() <= 0) return;
+		int chargeup = spell.getChargeup();
+
+		if(WizardData.get(player) != null){
+			// Pretty sure this is accessible client-side since it's only assigned from common code
+			chargeup = (int)(chargeup * WizardData.get(player).itemCastingModifiers.get(SpellModifiers.CHARGEUP));
+		}
+
+		if(chargeup <= 0) return;
 
 		// WHY WHY WHY are these methods named so misleadingly?! Sort yourselves out MCP!
 		// (getItemInUseCount returns the max count MINUS the use count, and getItemInUseMaxCount returns the use count)
 		if(player.getItemInUseMaxCount() == 0) return; // Not charging
-		float charge = (player.getItemInUseMaxCount() + partialTicks) / spell.getChargeup();
+		float charge = (player.getItemInUseMaxCount() + partialTicks) / chargeup;
 		if(charge > 1) return; // Done charging
 
 		Minecraft.getMinecraft().renderEngine.bindTexture(CHARGE_METER);
diff --git a/src/main/java/electroblob/wizardry/item/ItemWand.java b/src/main/java/electroblob/wizardry/item/ItemWand.java
index efff9c4b..5c9b4c92 100644
--- a/src/main/java/electroblob/wizardry/item/ItemWand.java
+++ b/src/main/java/electroblob/wizardry/item/ItemWand.java
@@ -355,8 +355,10 @@ public class ItemWand extends Item implements IWorkbenchItem, ISpellCastingItem,
 		SpellModifiers modifiers = this.calculateModifiers(stack, player, spell);
 
 		if(canCast(stack, spell, player, hand, 0, modifiers)){
+			// Need to account for the modifier since it could be zero even if the original charge-up wasn't
+			int chargeup = (int)(spell.getChargeup() * modifiers.get(SpellModifiers.CHARGEUP));
 
-			if(spell.isContinuous || spell.getChargeup() > 0){
+			if(spell.isContinuous || chargeup > 0){
 				// Spells that need the mouse to be held (continuous, charge-up or both)
 				if(!player.isHandActive()){
 					player.setActiveHand(hand);
@@ -395,12 +397,13 @@ public class ItemWand extends Item implements IWorkbenchItem, ISpellCastingItem,
 			}
 
 			int useTick = stack.getMaxItemUseDuration() - count;
+			int chargeup = (int)(spell.getChargeup() * modifiers.get(SpellModifiers.CHARGEUP));
 
 			if(spell.isContinuous){
 				// Continuous spell charge-up is simple, just don't do anything until it's charged
-				if(useTick >= spell.getChargeup()){
+				if(useTick >= chargeup){
 					// castingTick needs to be relative to when the spell actually started
-					int castingTick = useTick - spell.getChargeup();
+					int castingTick = useTick - chargeup;
 					// Continuous spells (these must check if they can be cast each tick since the mana changes)
 					// Don't call canCast when castingTick == 0 because we already did it in onItemRightClick - even
 					// with charge-up times, because we don't want to trigger events twice
@@ -413,7 +416,7 @@ public class ItemWand extends Item implements IWorkbenchItem, ISpellCastingItem,
 				}
 			}else{
 				// Non-continuous spells need to check they actually have a charge-up since ALL spells call setActiveHand
-				if(spell.getChargeup() > 0 && useTick == spell.getChargeup()){
+				if(chargeup > 0 && useTick == chargeup){
 					// Once the spell is charged, it's exactly the same as in onItemRightClick
 					cast(stack, spell, player, player.getActiveHand(), 0, modifiers);
 				}
diff --git a/src/main/java/electroblob/wizardry/util/SpellModifiers.java b/src/main/java/electroblob/wizardry/util/SpellModifiers.java
index 93ea7e96..53f4a535 100644
--- a/src/main/java/electroblob/wizardry/util/SpellModifiers.java
+++ b/src/main/java/electroblob/wizardry/util/SpellModifiers.java
@@ -41,6 +41,8 @@ public final class SpellModifiers {
 	public static final String POTENCY = "potency";
 	/** Constant string identifier for the mana cost modifier. */
 	public static final String COST = "cost";
+	/** Constant string identifier for the wand charge-up modifier. */
+	public static final String CHARGEUP = "chargeup";
 	/** Constant string identifier for the wand progression modifier. */
 	public static final String PROGRESSION = "progression";