diff --git a/ledger-service/http-json/src/itlib/scala/http/AbstractHttpServiceIntegrationTest.scala b/ledger-service/http-json/src/itlib/scala/http/AbstractHttpServiceIntegrationTest.scala
index c9ba5ab782..0ff2114995 100644
--- a/ledger-service/http-json/src/itlib/scala/http/AbstractHttpServiceIntegrationTest.scala
+++ b/ledger-service/http-json/src/itlib/scala/http/AbstractHttpServiceIntegrationTest.scala
@@ -800,7 +800,6 @@ abstract class QueryStoreAndAuthDependentIntegrationTest
           matches = Seq(withBazRecord("c")),
           doesNotMatch = Seq(withBazRecord("a")),
         ),
-        /* TODO(raphael-speyer-da) Re-enable this test. See https://digitalasset.atlassian.net/browse/LT-15
         Scenario(
           "lt string with sketchy value which is a single quote",
           kbvarId,
@@ -810,7 +809,6 @@ abstract class QueryStoreAndAuthDependentIntegrationTest
           matches = Seq(withBazRecord(" ")), // Less than '
           doesNotMatch = Seq(withBazRecord("A")), // Not less than '
         ),
-         */
         Scenario(
           "lt string with sketchy value which uses unicode quote char",
           kbvarId,
diff --git a/libs-scala/postgresql-testing/src/main/scala/com/digitalasset/testing/postgresql/PostgresAround.scala b/libs-scala/postgresql-testing/src/main/scala/com/digitalasset/testing/postgresql/PostgresAround.scala
index f625cd1b12..8017afc39c 100644
--- a/libs-scala/postgresql-testing/src/main/scala/com/digitalasset/testing/postgresql/PostgresAround.scala
+++ b/libs-scala/postgresql-testing/src/main/scala/com/digitalasset/testing/postgresql/PostgresAround.scala
@@ -144,9 +144,9 @@ trait PostgresAround {
     "initialize the PostgreSQL database",
     Tool.initdb,
     s"--username=$userName",
-    if (isWindows) "--locale=English_United States" else "--locale=en_US.UTF-8",
+    "--locale=C",
     "-E",
-    "UNICODE",
+    "UTF8",
     "-A",
     "trust",
     dataDir.toString.replace("\\", "/"),