diff --git a/opaque_keys/edx/__init__.py b/opaque_keys/edx/__init__.py
index e69de29..3684dd2 100644
--- a/opaque_keys/edx/__init__.py
+++ b/opaque_keys/edx/__init__.py
@@ -0,0 +1,13 @@
+from django.db import connection
+
+if 'postgresql' in connection.vendor.lower():
+    from opaque_keys.edx.locator import BlockUsageLocator, CourseLocator
+    from psycopg2.extensions import register_adapter, QuotedString
+
+
+    def adapt_course_locator(course_locator):
+        return QuotedString(course_locator._to_string())
+
+
+    # Register the adapter
+    register_adapter(CourseLocator, adapt_course_locator)