diff --git a/webservice/config/webservice.yaml b/webservice/config/webservice.yaml
index 66195a9a6282ec62992add2493a2e907bf8062f0..0b50f72f54fed6d32e6177244d3477ac2890b793 100644
--- a/webservice/config/webservice.yaml
+++ b/webservice/config/webservice.yaml
@@ -43,7 +43,7 @@ correct:
     [
       "AGIPD dark (LG|MG|HG)",
       "Calibration - Dark (LG|MG|HG)",
-      "(Darks )?JF(0|1|2)",
+      "Darks JF(0|1|2)",
       "(Low|Medium|High) gain",
       "(JF|LPD) Darks",
     ]