diff --git a/dhis-2/dhis-support/dhis-support-test/src/main/java/org/hisp/dhis/config/IntegrationTestConfig.java b/dhis-2/dhis-support/dhis-support-test/src/main/java/org/hisp/dhis/config/IntegrationTestConfig.java
index 505c12eea2ad..9c355dea561c 100644
--- a/dhis-2/dhis-support/dhis-support-test/src/main/java/org/hisp/dhis/config/IntegrationTestConfig.java
+++ b/dhis-2/dhis-support/dhis-support-test/src/main/java/org/hisp/dhis/config/IntegrationTestConfig.java
@@ -89,7 +89,8 @@ private JdbcDatabaseContainer<?> initContainer() {
             .appendCustomPostgresConfig("max_locks_per_transaction=100")
             .withDatabaseName(POSTGRES_DATABASE_NAME)
             .withUsername(POSTGRES_CREDENTIALS)
-            .withPassword(POSTGRES_CREDENTIALS);
+            .withPassword(POSTGRES_CREDENTIALS)
+            .withEnv("LC_COLLATE", "C");
 
     postgisContainer.start();
 
diff --git a/dhis-2/dhis-test-e2e/docker-compose.yml b/dhis-2/dhis-test-e2e/docker-compose.yml
index 67fd61e88d5a..21b934408b8c 100644
--- a/dhis-2/dhis-test-e2e/docker-compose.yml
+++ b/dhis-2/dhis-test-e2e/docker-compose.yml
@@ -17,6 +17,7 @@ services:
       POSTGRES_DB: dhis
       POSTGRES_PASSWORD: &postgres_password dhis
       PGPASSWORD: *postgres_password # needed by psql in healthcheck
+      LC_COLLATE : C
     healthcheck:
       test: ["CMD-SHELL", "psql --no-password --quiet --username $$POSTGRES_USER postgres://127.0.0.1/$$POSTGRES_DB -p 5432 --command \"SELECT 'ok'\" > /dev/null"]
       start_period: 30s