diff --git a/webservice/config/webservice.yaml b/webservice/config/webservice.yaml
index 0e23f1ca8bb889d82b84e5b097d5a2efcb419bb1..3888f36cc8a916570d795200b04d1ffbc163267d 100644
--- a/webservice/config/webservice.yaml
+++ b/webservice/config/webservice.yaml
@@ -73,3 +73,15 @@ dark:
     --report-to {reports_folder}/{action}_{proposal}_{runs}_{time_stamp}
     --cal-db-interface tcp://max-exfl-cal001:8015#8044
     --db-output
+  three-gain-detectors:
+  [
+    "LPD",
+    "AGIPD",
+    "JUNGFRAU",
+    "JF",
+    "JNGFR",
+    "JUNGF",
+    "GH2",
+    "G2",
+    "HIREX",
+    ]
diff --git a/webservice/webservice.py b/webservice/webservice.py
index d1a6cafc934f4a6f0d4028abd3e8aa0fd649c6c7..0e53747df873167455b811a014d70ff9523a4f81 100644
--- a/webservice/webservice.py
+++ b/webservice/webservice.py
@@ -1287,18 +1287,7 @@ class ActionsServer:
                 # Notebooks require one or three runs, depending on the
                 # detector type and operation mode.
                 triple = any(
-                    det in karabo_id for det in
-                    [
-                        "LPD",
-                        "AGIPD",
-                        "JUNGFRAU",
-                        "JF",
-                        "JNGFR",
-                        "JUNGF",
-                        "GH2",
-                        "G2",
-                        "HIREX"
-                    ])
+                    det in karabo_id for det in config['dark']['three-gain-detectors'])  # noqa
 
                 # This fails silently if the hardcoded strings above are
                 # ever changed (triple = False) but the underlying notebook