diff --git a/src/common/core/blacklist/blacklist.lua b/src/common/core/blacklist/blacklist.lua
index 246784125..3dc6dd08d 100644
--- a/src/common/core/blacklist/blacklist.lua
+++ b/src/common/core/blacklist/blacklist.lua
@@ -346,7 +346,7 @@ function _M:preread()
 		logger.log(ngx.NOTICE, "BLACKLIST", "IP is in cached ignore blacklist (info: " .. cached_ignored_ip .. ")")
 	elseif cached_ip and cached_ip ~= "ok" then
 		return true, "IP is in blacklist cache (info = " .. cached_ip .. ")", true, utils.get_deny_status()
-	elseif cached_ip
+	elseif cached_ip then
 		return true, "IP is in blacklist cache (not blacklisted)", false, nil
 	end
 
diff --git a/src/common/core/redis/redis.lua b/src/common/core/redis/redis.lua
index b3750da7a..c7420de9d 100644
--- a/src/common/core/redis/redis.lua
+++ b/src/common/core/redis/redis.lua
@@ -14,11 +14,11 @@ end
 
 function _M:init()
 	-- Check if init is needed
-	local init_needed, err = utils.get_variable("USE_REDIS", "yes")
-	if init_needed == nil then
+	local use_redis, err = utils.get_variable("USE_REDIS", false)
+	if use_redis == nil then
 		return false, "can't check USE_REDIS variable : " .. err
 	end
-	if not init_needed then
+	if use_redis ~= "yes" then
 		return true, "redis not used"
 	end
 	-- TODO : check redis connectivity
diff --git a/src/common/core/reverseproxy/confs/server-stream/reverse-proxy.conf b/src/common/core/reverseproxy/confs/server-stream/reverse-proxy.conf
index 393d57794..eeb553ac2 100644
--- a/src/common/core/reverseproxy/confs/server-stream/reverse-proxy.conf
+++ b/src/common/core/reverseproxy/confs/server-stream/reverse-proxy.conf
@@ -5,7 +5,7 @@
 proxy_protocol on;
 {% endif +%}
 
-set $backend{{ counter.value }} "{{ host }}";
-proxy_pass $backend{{ counter.value }};
+set $backend "{{ host }}";
+proxy_pass $backend;
 
 {% endif %}
\ No newline at end of file
diff --git a/tests/ui/tests.sh b/tests/ui/tests.sh
index 1a6ba2ad9..2b32bb3a7 100755
--- a/tests/ui/tests.sh
+++ b/tests/ui/tests.sh
@@ -8,7 +8,16 @@ sed -i "s@bunkerity/bunkerweb:.*@local/bunkerweb-tests:$MODE@" docker-compose.ym
 sed -i "s@bunkerity/bunkerweb:.*@local/scheduler-tests:$MODE@" docker-compose.yml
 
 # Start stack
+docker-compose pull --ignore-pull-failures
+if [ $? -ne 0 ] ; then
+    echo "❌ Pull failed"
+    exit 1
+fi
 docker-compose up -d
+if [ $? -ne 0 ] ; then
+    echo "❌ Up failed"
+    exit 1
+fi
 i=0
 while [ $i -lt 120 ] ; do
     containers=("ui-bw-1" "ui-bw-scheduler-1" "ui-bw-ui-1" "ui-docker-proxy-1" "ui-app1-1")
@@ -33,6 +42,12 @@ if [ $i -ge 120 ] ; then
 fi
 
 # Start tests
+docker-compose -f docker-compose.tests.yml build
+if [ $? -ne 0 ] ; then
+    echo "❌ Build failed"
+    exit 1
+fi
 docker-compose -f docker-compose.tests.yml up
 
+# Exit
 exit $?
\ No newline at end of file