diff --git a/crowdbunker.sh b/crowdbunker.sh
index c06801d..b8002c4 100755
--- a/crowdbunker.sh
+++ b/crowdbunker.sh
@@ -13,6 +13,9 @@ mkdir -p ~/.zen/bunkerbox  # BunkerBOX temp directory
 MY_PATH="`dirname \"$0\"`"              # relative
 MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
 ME="${0##*/}"
+countMErunning=$(ps auxf --sort=+utime | grep -w "$ME" | grep -v -E 'color=auto|grep' | wc -l)
+[[ $countMErunning -gt 2 ]] && echo "$ME already running. EXIT." && exit 0
+
 TS=$(date -u +%s%N | cut -b1-13)
 
 [[ ! $(which ipfs) ]] && echo "EXIT. Vous devez avoir installé ipfs CLI sur votre ordinateur" && echo "RDV sur https://dist.ipfs.io/#go-ipfs" && exit 1