diff --git a/include/tests_filesystems b/include/tests_filesystems
index cabc27e7..3bc5ec3e 100644
--- a/include/tests_filesystems
+++ b/include/tests_filesystems
@@ -877,8 +877,8 @@
                 fi
                 FIND=$(${LSBINARY} ${ROOTDIR}etc/modprobe.d/* 2> /dev/null)
                 if [ -n "${FIND}" ]; then
-                    FIND1=$(${GREPBINARY} -E "^blacklist \+${FS}$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
-                    FIND2=$(${GREPBINARY} -E "^install \+${FS} \+/bin/true$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
+                    FIND1=$(${GREPBINARY} -E "^blacklist +${FS}$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
+                    FIND2=$(${GREPBINARY} -E "^install +${FS} +/bin/(true|false)$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
                         if [ -n "${FIND1}" ] || [ -n "${FIND2}" ]; then
                             Display --indent 4 --text "- Module $FS is blacklisted" --result "OK" --color GREEN
                             LogText "Result: module ${FS} is blacklisted"