diff --git a/include/tests_ports_packages b/include/tests_ports_packages
index 0e938cfe..6a9b4e49 100644
--- a/include/tests_ports_packages
+++ b/include/tests_ports_packages
@@ -1043,7 +1043,7 @@
             fi
             if [ -d /etc/apt/sources.list.d ]; then
                 LogText "Searching for security.debian.org/security.ubuntu.com or security repositories in /etc/apt/sources.list.d directory"
-                FIND=$(${GREPBINARY} -E -r "security.debian.org|security.ubuntu.com|security/? " /etc/apt/sources.list.d | ${GREPBINARY} -v '#' | ${SEDBINARY} 's/ /!space!/g')
+                FIND=$(${GREPBINARY} -E -r "security.debian.org|security.ubuntu.com|security/?( |$)" /etc/apt/sources.list.d | ${GREPBINARY} -v '#' | ${SEDBINARY} 's/ /!space!/g')
                 if [ -n "${FIND}" ]; then
                     FOUND=1
                     Display --indent 2 --text "- Checking security repository in sources.list.d directory" --result "${STATUS_OK}" --color GREEN