diff --git a/ais_query.sh b/ais_query.sh
index 04e1c38..37b1d2b 100755
--- a/ais_query.sh
+++ b/ais_query.sh
@@ -24,8 +24,9 @@ MESSAGE_TYPE_FILTER='["PositionReport"]'
 
 # Output file for logging (optional)
 DateFichier=$(date +"%Y%m%d-%H%M%S")
-dir=$(dirname $0)
-OUTPUT_FILE="$dir/data/raw_ais_$DateFichier.log"
+dir=$(dirname $0)"/data"
+OUTPUT_FILE="$dir/raw_ais_$DateFichier.log"
+mkdir -p "$dir"
 
 # Function to display usage information
 show_usage() {