diff --git a/scripts/alpaca_hist_md/alpaca_md.sh b/scripts/alpaca_hist_md/alpaca_md.sh
index 088ec13..c01c190 100755
--- a/scripts/alpaca_hist_md/alpaca_md.sh
+++ b/scripts/alpaca_hist_md/alpaca_md.sh
@@ -110,5 +110,5 @@ slice_size=500 # 10K symbols parallel cannot handle
 for ((ii=0; ii <${#Instruments[@]}; ii+=slice_size)); do
     InstSlice=("${Instruments[@]:ii:slice_size}")
 
-    echo parallel -j ${NumJobs} run_proc {} ${Start} ${End} ::: "${InstSlice[@]}"
+    parallel -j ${NumJobs} run_proc {} ${Start} ${End} ::: "${InstSlice[@]}"
 done