diff --git a/cloudbt/run_cloudbt.py b/cloudbt/run_cloudbt.py
index a97daae..4f6e59e 100644
--- a/cloudbt/run_cloudbt.py
+++ b/cloudbt/run_cloudbt.py
@@ -222,7 +222,7 @@ mkdir -p user_data/backtest_results/{start_datetime}
 freqtrade backtesting \
     --timeframe {timeframe} \
     --timerange {timerange} \
-    --pairs {','.join(pairs_chunk)} \
+    --pairs {' '.join(pairs_chunk)} \
     --strategy {strategy} \
     --export trades \
     --export-directory user_data/backtest_results/{start_datetime}/job_{job_id}.json \