diff --git a/HISTORY.rst b/HISTORY.rst
index 489610e42e0a3f42d135e38434df192a564737d6..e332447419fc7f718ca8af9d8eaca162d60278ae 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -10,6 +10,8 @@ History
 * Removed travis related files.
 * Fixed dead URLs.
 * Added documentation on how to create jobs from job IDs.
+* Increased automatic ECMWF download timeout from 5 to 10 minutes
+  to get rid of timeout errors although downloads are running properly.
 
 
 0.19.3 (2020-12-03)
diff --git a/gms_preprocessing/algorithms/L1C_P.py b/gms_preprocessing/algorithms/L1C_P.py
index ad12460a2752e565192b2c08ea8e56413cd315d9..b6ce1a897608d432805cdeade730c64bf41bf67a 100644
--- a/gms_preprocessing/algorithms/L1C_P.py
+++ b/gms_preprocessing/algorithms/L1C_P.py
@@ -807,7 +807,7 @@ class AtmCorr(object):
             "fc_sea_salt_AOT_550nm"]
 
         # NOTE: use_signals must be set to True while executed as multiprocessing worker (e.g., in multiprocessing.Pool)
-        @timeout_decorator.timeout(seconds=60*5, timeout_exception=TimeoutError)
+        @timeout_decorator.timeout(seconds=60*10, timeout_exception=TimeoutError)
         def run_request():
             try:
                 with MultiSlotLock('ECMWF download lock', allowed_slots=1, logger=self.logger):