diff --git a/projects/hslayers/test/data/service-endpoints.ts b/projects/hslayers/test/data/service-endpoints.ts
index 384ffd15ac..2a82abeb0d 100644
--- a/projects/hslayers/test/data/service-endpoints.ts
+++ b/projects/hslayers/test/data/service-endpoints.ts
@@ -1,6 +1,6 @@
 export const testingServiceEndpoints = {
   'wms': [
-    'https://cteco.uconn.edu/ctmaps/services/Coastal/BluePlan_ESA_Pillar1/MapServer/WmsServer?',
+    'http://cteco.uconn.edu/ctmaps/services/Coastal/BluePlan_ESA_Pillar1/MapServer/WmsServer?',
     'https://geoportal.cuzk.cz/WMS_ZM100_PUB/WMService.aspx?SERVICE=WMS&',
     'https://hub.lesprojekt.cz/client/geoserver/viktorie_sloupova/ows',
   ],