diff --git a/src/main/resources/application-mysql.properties b/src/main/resources/application-mysql.properties
index e23dfa605..7a1ac733c 100644
--- a/src/main/resources/application-mysql.properties
+++ b/src/main/resources/application-mysql.properties
@@ -1,6 +1,6 @@
 # database init, supports mysql too
 database=mysql
-spring.datasource.url=${MYSQL_URL:jdbc:mysql://localhost/petclinic}
+spring.datasource.url=jdbc:mysql://${MYSQL_URL:localhost/petclinic}
 spring.datasource.username=${MYSQL_USER:petclinic}
 spring.datasource.password=${MYSQL_PASS:petclinic}
 # SQL is written to be idempotent so this is safe
diff --git a/src/main/resources/application-postgres.properties b/src/main/resources/application-postgres.properties
index 60889b43c..333ce5f0a 100644
--- a/src/main/resources/application-postgres.properties
+++ b/src/main/resources/application-postgres.properties
@@ -1,5 +1,5 @@
 database=postgres
-spring.datasource.url=${POSTGRES_URL:jdbc:postgresql://localhost/petclinic}
+spring.datasource.url=jdbc:postgresql://${POSTGRES_URL:localhost/petclinic}
 spring.datasource.username=${POSTGRES_USER:petclinic}
 spring.datasource.password=${POSTGRES_PASS:petclinic}
 # SQL is written to be idempotent so this is safe