diff --git a/webservice/webservice.py b/webservice/webservice.py
index ec97eeb24fe4cfe9bd160f92640666bd1cf47a20..494608fd7223efa1ce10ce873d3eeb0e03af3476 100644
--- a/webservice/webservice.py
+++ b/webservice/webservice.py
@@ -1087,11 +1087,18 @@ class ActionsServer:
                 request_time
             )
             await update_mdc_status(self.mdc, 'dark_request', rid, ret)
-            if report_path is None:
+            if len(report_path) == 0:
                 logging.warning("Failed to identify report path for dark_request")
             else:
-                await update_darks_paths(self.mdc, rid, in_folder,
-                                         out_folder, report_path)
+                if len(report_path) > 1:
+                    logging.warning(
+                        "More than one report path is returned. "
+                        "Updating myMDC with the first report path only."
+                    )
+                await update_darks_paths(
+                    self.mdc, rid, in_folder,
+                    out_folder, report_path[0]
+                )
         # END of part to run after sending reply
 
         asyncio.ensure_future(_continue())
@@ -1162,7 +1169,9 @@ class ActionsServer:
     async def launch_jobs(
             self, run_nrs, rid, detectors, action, instrument, cycle, proposal,
             request_time
-    ) -> (str, Optional[str]):
+    ) -> (str, List[str]):
+        report = []
+        ret = []
         # run xfel_calibrate
         for karabo_id, dconfig in detectors.items():
             detector = dconfig['detector-type']
@@ -1179,16 +1188,16 @@ class ActionsServer:
             ).split()
 
             cmd = parse_config(cmd, dconfig)
-
-            ret = await run_action(self.job_db, cmd, self.mode,
-                                   proposal, run_nrs[-1], rid)
-
+            # TODO: Add detector info in returned run action status.
+            ret.append(await run_action(
+                self.job_db, cmd, self.mode,
+                proposal, run_nrs[-1], rid
+            ))
             if '--report-to' in cmd[:-1]:
                 report_idx = cmd.index('--report-to') + 1
-                report = cmd[report_idx] + '.pdf'
-            else:
-                report = None
-            return ret, report
+                report.append(cmd[report_idx] + '.pdf')
+        # return string without a tailing comma.
+        return ", ".join(ret), report
 
 parser = argparse.ArgumentParser(
     description='Start the calibration webservice')