Index: django/db/backends/mysql_old/base.py
===================================================================
--- django/db/backends/mysql_old/base.py	(revision 6397)
+++ django/db/backends/mysql_old/base.py	(working copy)
@@ -132,7 +132,7 @@
     features = DatabaseFeatures()
     ops = DatabaseOperations()
     operators = {
-        'exact': '= %s',
+        'exact': '= BINARY %s',
         'iexact': 'LIKE %s',
         'contains': 'LIKE BINARY %s',
         'icontains': 'LIKE %s',
Index: django/db/backends/mysql/base.py
===================================================================
--- django/db/backends/mysql/base.py	(revision 6397)
+++ django/db/backends/mysql/base.py	(working copy)
@@ -128,7 +128,7 @@
     features = DatabaseFeatures()
     ops = DatabaseOperations()
     operators = {
-        'exact': '= %s',
+        'exact': '= BINARY %s',
         'iexact': 'LIKE %s',
         'contains': 'LIKE BINARY %s',
         'icontains': 'LIKE %s',