diff --git a/include/tests_filesystems b/include/tests_filesystems
index 480ba40a0..231468dcd 100644
--- a/include/tests_filesystems
+++ b/include/tests_filesystems
@@ -835,15 +835,18 @@
                     AddHP 3 3
                     if IsDebug; then Display --indent 6 --text "- Module ${FS} not present in the kernel" --result OK --color GREEN; fi
                 fi
-                FIND=$(${LSBINARY} ${ROOTDIR}etc/modprobe.d/* 2> /dev/null)
-                if [ -n "${FIND}" ]; then
-                    FIND1=$(${EGREPBINARY} "^blacklist \+${FS}$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
-                    FIND2=$(${EGREPBINARY} "^install \+${FS} \+/bin/true$" ${ROOTDIR}etc/modprobe.d/* | ${GREPBINARY} -v "#")
+                for SUBDIR in "${ROOTDIR}etc" "/usr/lib"; do
+                    FIND=$(${LSBINARY} ${SUBDIR}/modprobe.d/* 2> /dev/null)
+                    if [ -n "${FIND}" ]; then
+                        FIND1=$(${EGREPBINARY} "^blacklist ${FS}$" ${SUBDIR}/modprobe.d/* | ${GREPBINARY} -v "#")
+                        FIND2=$(${EGREPBINARY} "^install ${FS} /bin/true$" ${SUBDIR}/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"
+                            break
                         fi
-                fi
+                    fi
+                done
             done
             if [ ${FOUND} -eq 1 ]; then
                 Display --indent 4 --text "- Discovered kernel modules: ${AVAILABLE_MODPROBE_FS}"