diff --git a/src/main/resources/config/liquibase/changelog/00000000000000_initial_schema.xml b/src/main/resources/config/liquibase/changelog/00000000000000_initial_schema.xml
index 0af850d8..fcdce537 100644
--- a/src/main/resources/config/liquibase/changelog/00000000000000_initial_schema.xml
+++ b/src/main/resources/config/liquibase/changelog/00000000000000_initial_schema.xml
@@ -149,7 +149,7 @@
 				<constraints primaryKey="true" nullable="false"/>
 			</column>
 			<column name="url" type="TEXT">
-				<constraints primaryKey="true" nullable="false"/>
+				<constraints nullable="false"/>
 			</column>
 			<column name="name" type="TEXT"/>
 			<column name="proxy" type="TEXT"/>