diff --git a/Containers/nextcloud/start.sh b/Containers/nextcloud/start.sh
index a5f38534..51d1f346 100644
--- a/Containers/nextcloud/start.sh
+++ b/Containers/nextcloud/start.sh
@@ -25,7 +25,7 @@ fi
 # Fix false database connection on old instances
 if [ -f "/var/www/html/config/config.php" ]; then
     sleep 2
-    while ! sudo -E -u www-data psql -d "postgresql://$POSTGRES_USER:$POSTGRES_PASSWORD@$POSTGRES_HOST:$POSTGRES_PORT/$POSTGRES_DB" -c "select now()"; do
+    while ! sudo -E -u www-data env PGPASSWORD="$POSTGRES_PASSWORD" psql -h "$POSTGRES_HOST" -p "$POSTGRES_PORT" -U "$POSTGRES_USER" -d "$POSTGRES_DB" -c "select now()"; do
         echo "Waiting for the database to start..."
         sleep 5
     done
diff --git a/Containers/postgresql/healthcheck.sh b/Containers/postgresql/healthcheck.sh
index 9f303a3a..7d40f4f0 100644
--- a/Containers/postgresql/healthcheck.sh
+++ b/Containers/postgresql/healthcheck.sh
@@ -2,6 +2,6 @@
 
 test -f "/mnt/data/backup-is-running" && exit 0
 
-psql -d "postgresql://oc_$POSTGRES_USER:$POSTGRES_PASSWORD@127.0.0.1:11000/$POSTGRES_DB" -c "select now()" && exit 0
+PGPASSWORD="$POSTGRES_PASSWORD" psql -h 127.0.0.1 -p 11000 -U "oc_$POSTGRES_USER" -d "$POSTGRES_DB" -c "select now()" && exit 0
 
-psql -d "postgresql://oc_$POSTGRES_USER:$POSTGRES_PASSWORD@127.0.0.1:5432/$POSTGRES_DB" -c "select now()" || exit 1
+PGPASSWORD="$POSTGRES_PASSWORD" psql -h 127.0.0.1 -p 5432 -U "oc_$POSTGRES_USER" -d "$POSTGRES_DB" -c "select now()" || exit 1
diff --git a/Containers/postgresql/init-user-db.sh b/Containers/postgresql/init-user-db.sh
index cfd3827a..b17ed7f1 100644
--- a/Containers/postgresql/init-user-db.sh
+++ b/Containers/postgresql/init-user-db.sh
@@ -3,8 +3,9 @@ set -ex
 
 touch "$DUMP_DIR/initialization.failed"
 
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-	CREATE USER "oc_$POSTGRES_USER" WITH PASSWORD '$POSTGRES_PASSWORD' CREATEDB;
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" \
+	-v "pg_new_password=$POSTGRES_PASSWORD" <<-EOSQL
+	CREATE USER "oc_$POSTGRES_USER" WITH PASSWORD :'pg_new_password' CREATEDB;
 	ALTER DATABASE "$POSTGRES_DB" OWNER TO "oc_$POSTGRES_USER";
 	GRANT ALL PRIVILEGES ON DATABASE "$POSTGRES_DB" TO "oc_$POSTGRES_USER";
 	GRANT ALL PRIVILEGES ON SCHEMA public TO "oc_$POSTGRES_USER";
diff --git a/Containers/postgresql/start.sh b/Containers/postgresql/start.sh
index 483d3436..b1f0e6a6 100644
--- a/Containers/postgresql/start.sh
+++ b/Containers/postgresql/start.sh
@@ -85,7 +85,7 @@ if ( [ -f "$DATADIR/PG_VERSION" ] && [ "$PG_MAJOR" != "$(cat "$DATADIR/PG_VERSIO
     exec docker-entrypoint.sh postgres &
 
     # Wait for creation
-    while ! psql -d "postgresql://oc_$POSTGRES_USER:$POSTGRES_PASSWORD@127.0.0.1:11000/$POSTGRES_DB" -c "select now()"; do
+    while ! psql -h 127.0.0.1 -p 11000 -U "oc_$POSTGRES_USER" -d "$POSTGRES_DB" -c "select now()"; do
         echo "Waiting for the database to start."
         sleep 5
     done
@@ -107,8 +107,9 @@ if ( [ -f "$DATADIR/PG_VERSION" ] && [ "$PG_MAJOR" != "$(cat "$DATADIR/PG_VERSIO
         exit 1
     elif [ "$DB_OWNER" != "oc_$POSTGRES_USER" ]; then
         DIFFERENT_DB_OWNER=1
-        psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-            CREATE USER "$DB_OWNER" WITH PASSWORD '$POSTGRES_PASSWORD' CREATEDB;
+        psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" \
+            -v "pg_new_password=$POSTGRES_PASSWORD" <<-EOSQL
+            CREATE USER "$DB_OWNER" WITH PASSWORD :'pg_new_password' CREATEDB;
             ALTER DATABASE "$POSTGRES_DB" OWNER TO "$DB_OWNER";
             GRANT ALL PRIVILEGES ON DATABASE "$POSTGRES_DB" TO "$DB_OWNER";
             GRANT ALL PRIVILEGES ON SCHEMA public TO "$DB_OWNER";