diff --git a/checkmk/check_aoss_ceilo_archive.sh b/checkmk/check_aoss_ceilo_archive.sh
index b21394c3d8fcf7cd4e653c56c5b662b60c6dceb7..e8838c07f01641285724f6f380b61ffc5b0c5011 100755
--- a/checkmk/check_aoss_ceilo_archive.sh
+++ b/checkmk/check_aoss_ceilo_archive.sh
@@ -9,9 +9,9 @@ base_raw_dir="/data1/raw/aoss/ceilo"
 now_seconds=$(date +%s)
 if [ $now_seconds -lt $threshold_seconds ]; then
     # we're just after midnight, check yesterday's directory
-    data_file_suffix=$(date -d yesterday +%Y/%m/aoss_ceilo.%Y-%m-%d.ascii)
+    data_file_suffix=$(date -d yesterday +%Y/%m/%d/aoss_ceilo.%Y-%m-%d.ascii)
 else
-    data_file_suffix=$(date +%Y/%m/aoss_ceilo.%Y-%m-%d.ascii)
+    data_file_suffix=$(date +%Y/%m/%d/aoss_ceilo.%Y-%m-%d.ascii)
 fi
 
 if [ ! -f ${base_raw_dir}/${data_file_suffix} ]; then