diff --git a/InvenTree/InvenTree/settings.py b/InvenTree/InvenTree/settings.py
index c34f101180..e1c584362f 100644
--- a/InvenTree/InvenTree/settings.py
+++ b/InvenTree/InvenTree/settings.py
@@ -553,8 +553,7 @@ db_config['TEST'] = {
 
 # Set collation option for mysql test database
 if 'mysql' in db_engine:
-    # Ref: https://docs.djangoproject.com/en/4.0/ref/databases/#collation-settings
-    db_config['TEST']['COLLATION'] = 'utf8_bin'
+    db_config['TEST']['COLLATION'] = 'utf8_general_ci'
 
 DATABASES = {
     'default': db_config
diff --git a/InvenTree/part/models.py b/InvenTree/part/models.py
index 1cb83b839a..d6ca9f650c 100644
--- a/InvenTree/part/models.py
+++ b/InvenTree/part/models.py
@@ -779,7 +779,7 @@ class Part(MPTTModel):
 
         # Raise an error if an IPN is set, and it is a duplicate
         if self.IPN and not allow_duplicate_ipn:
-            parts = Part.objects.filter(IPN=self.IPN)
+            parts = Part.objects.filter(IPN__iexact=self.IPN)
             parts = parts.exclude(pk=self.pk)
 
             if parts.exists():
diff --git a/InvenTree/part/test_part.py b/InvenTree/part/test_part.py
index cb932993dc..811acebc69 100644
--- a/InvenTree/part/test_part.py
+++ b/InvenTree/part/test_part.py
@@ -352,10 +352,10 @@ class PartSettingsTest(TestCase):
         # Any duplicate IPN should raise an error
         Part.objects.create(name='xyz', revision='1', description='A part', IPN='UNIQUE')
 
-        # Case sensitive, so other variations don't error out:
-        Part.objects.create(name='xyz', revision='2', description='A part', IPN='UNIQUe')
-        Part.objects.create(name='xyz', revision='3', description='A part', IPN='UNIQuE')
-        Part.objects.create(name='xyz', revision='4', description='A part', IPN='UNIqUE')
+        # Case insensitive, so variations on spelling should throw an error
+        for ipn in ['UNiquE', 'uniQuE', 'unique']:
+            with self.assertRaises(ValidationError):
+                Part.objects.create(name='xyz', revision='2', description='A part', IPN=ipn)
 
         with self.assertRaises(ValidationError):
             Part.objects.create(name='zyx', description='A part', IPN='UNIQUE')