diff --git a/game/scripts/inventory/classes.rpy b/game/scripts/inventory/classes.rpy
index c0481f3e..86247e87 100644
--- a/game/scripts/inventory/classes.rpy
+++ b/game/scripts/inventory/classes.rpy
@@ -42,10 +42,10 @@ init python:
 
         def use(self):
             if not self.usable:
-                raise Exception("Item '{}' is not usable as it does not have any function or a label.".format(self.name))
+                raise Exception("Item {!r} is not usable as it does not have any function or a label.".format(self.name))
 
             if self.owned == 0:
-                raise Exception("Item '{}' owned count is equal to zero.".format(self.name))
+                raise Exception("Item {!r} owned count is equal to zero.".format(self.name))
 
             if not self.type == "quest":
                 # Quest items require manual triggers, it's more convenient.
@@ -62,10 +62,10 @@ init python:
 
         def give(self, who):
             if not self.givable:
-                raise Exception("Item '{}' is not marked as givable.".format(self.name))
+                raise Exception("Item {!r} is not marked as givable.".format(self.name))
 
             if self.owned == 0:
-                raise Exception("Item '{}' owned count is equal to zero.".format(self.name))
+                raise Exception("Item {!r} owned count is equal to zero.".format(self.name))
 
             if not self.type == "quest":
                 # Quest items require manual triggers, it's more convenient.
@@ -119,7 +119,7 @@ init python:
 
         def use(self):
             if self.owned == 0:
-                raise Exception("Decoration '{}' owned count is equal to zero.".format(self.name))
+                raise Exception("Decoration {!r} owned count is equal to zero.".format(self.name))
 
             achievements.unlock("decorator")
 
@@ -155,7 +155,7 @@ init python:
             self.usable = bool( renpy.has_label("{}_use".format(self.label)) )
 
             if self.recipe is None:
-                raise Exception("Potion '{}' recipe is empty!".format(self.name))
+                raise Exception("Potion {!r} recipe is empty!".format(self.name))
 
         def has_ingredients(self):
             return all(x.owned > 0 for x in self.recipe)
@@ -163,7 +163,7 @@ init python:
         def set_active(self, who):
             """Marks the event as 'in progress' and will trigger a return event in the morning/evening."""
             if not who in list(self.in_progress.keys()):
-                raise Exception("Potion '{}' is not marked as usable on '{}'.".format(self.name, who))
+                raise Exception("Potion {!r} is not marked as usable on {!r}.".format(self.name, who))
 
             self.in_progress[who] = True
 
@@ -195,13 +195,13 @@ init python:
             check_label = "{}_potion_check".format(who[:3])
 
             if not renpy.has_label(give_label):
-                raise Exception("Potion '{}' give label doesn't exist.".format(self.name))
+                raise Exception("Potion {!r} give label doesn't exist.".format(self.name))
 
             if not renpy.has_label(check_label):
-                raise Exception("Potion '{}' check label doesn't exist for '{}'.".format(self.name, who))
+                raise Exception("Potion {!r} check label doesn't exist for {!r}.".format(self.name, who))
 
             if self.owned == 0:
-                raise Exception("Potion '{}' owned count is equal to zero.".format(self.name))
+                raise Exception("Potion {!r} owned count is equal to zero.".format(self.name))
 
             if not self.check_progression(who):
                 self.jump(check_label)
@@ -215,10 +215,10 @@ init python:
             label = "{}_use".format(self.label)
 
             if not renpy.has_label(label):
-                raise Exception("Potion '{}' has no use label.".format(self.name))
+                raise Exception("Potion {!r} has no use label.".format(self.name))
 
             if self.owned == 0:
-                raise Exception("Potion '{}' owned count is equal to zero.".format(self.name))
+                raise Exception("Potion {!r} owned count is equal to zero.".format(self.name))
 
             self.owned -= 1
             self.jump(label)
@@ -227,12 +227,12 @@ init python:
             """Play the return event for <girl>"""
 
             if not self.in_progress[who]:
-                raise Exception("Potion '{}' is not marked as in progress.".format(self.name))
+                raise Exception("Potion {!r} is not marked as in progress.".format(self.name))
 
             label = "{}_{}_return".format(who[:3], self.label)
 
             if not renpy.has_label(label):
-                raise Exception("Potion '{}' has no return label.".format(self.name))
+                raise Exception("Potion {!r} has no return label.".format(self.name))
 
             self.in_progress[who] = False
             self.jump(label)