diff --git a/data/presets/fields.json b/data/presets/fields.json
index c5d1e6465..42cc2f85d 100644
--- a/data/presets/fields.json
+++ b/data/presets/fields.json
@@ -1157,7 +1157,8 @@
         "opening_hours": {
             "key": "opening_hours",
             "type": "combo",
-            "label": "Hours"
+            "label": "Hours",
+            "snake_case": false
         },
         "operator": {
             "key": "operator",
diff --git a/data/presets/fields/opening_hours.json b/data/presets/fields/opening_hours.json
index 7646bee4d..d0d89ce6d 100644
--- a/data/presets/fields/opening_hours.json
+++ b/data/presets/fields/opening_hours.json
@@ -1,5 +1,6 @@
 {
     "key": "opening_hours",
     "type": "combo",
-    "label": "Hours"
+    "label": "Hours",
+    "snake_case": false
 }