diff --git a/postgres-appliance/launch.sh b/postgres-appliance/launch.sh
index 6da6d907..4b552a0e 100755
--- a/postgres-appliance/launch.sh
+++ b/postgres-appliance/launch.sh
@@ -34,7 +34,7 @@ fi
 ## Ensure all logfiles exist, most appliances will have
 ## a foreign data wrapper pointing to these files
 for i in $(seq 0 7); do
-    if [ "$LOG_SHIP_HOURLY" != true ]; then
+    if [ "$LOG_SHIP_HOURLY" != 'true' ]; then
         if [ ! -f "${PGLOG}/postgresql-${i}.csv" ]; then
             touch "${PGLOG}/postgresql-${i}.csv"
         fi
diff --git a/postgres-appliance/scripts/post_init.sh b/postgres-appliance/scripts/post_init.sh
index cdab7ce9..b9893163 100755
--- a/postgres-appliance/scripts/post_init.sh
+++ b/postgres-appliance/scripts/post_init.sh
@@ -148,7 +148,7 @@ fi
 
 # Sunday could be 0 or 7 depending on the format, we just create both
 for i in $(seq 0 7); do
-    if [ "$LOG_SHIP_HOURLY" != true ]; then
+    if [ "$LOG_SHIP_HOURLY" != 'true' ]; then
         echo "CREATE FOREIGN TABLE IF NOT EXISTS public.postgres_log_${i} () INHERITS (public.postgres_log) SERVER pglog
         OPTIONS (filename '../pg_log/postgresql-${i}.csv', format 'csv', header 'false');
         GRANT SELECT ON public.postgres_log_${i} TO admin;"