diff --git a/run-aa-test b/run-aa-test
index 2ed214714b9e8ad78fc8bb44fac56ea28eff98ae..b9b2eb3ab12e341571065792958e074a64c29b2f 100755
--- a/run-aa-test
+++ b/run-aa-test
@@ -143,7 +143,7 @@ echo "#---8<--- expected parsed apparmor output from journal"
 cat ${EXPECT_FILE} | sed 's/^/# /'
 echo "#--->8---"
 
-csplit ${EXPECT_FILE} -f ${TMP_DIR}/EXPECT -b "%d" "/^${ALTERNATIVE_SEPARATOR}$/" {*}
+csplit ${EXPECT_FILE} -f ${TMP_DIR}/EXPECT -b "%0d" "/^${ALTERNATIVE_SEPARATOR}$/" {*}
 
 # Old versions of csplit don't provide "--suppress-matched", strip separator separately
 for FILE in ${TMP_DIR}/EXPECT*; do