diff --git a/include/tests_firewalls b/include/tests_firewalls
index d8d9ce0b..ab810596 100644
--- a/include/tests_firewalls
+++ b/include/tests_firewalls
@@ -114,7 +114,7 @@
         do
             ${IPTABLESBINARY} -t "${t}" -S -v -w 1 2>/dev/zero |
             {
-                while read -r line
+                while IFS="\n" read -r line
                 do
                     set -- ${line}
                     while [ $# -gt 0 ]
@@ -230,7 +230,7 @@
                     fi
                 done
                 # resume
-                echo ${errqueue} | ${SORTBINARY} -u | while read -r eq
+                echo ${errqueue} | ${SORTBINARY} -u | while IFS="\n" read -r eq
                 do
                     set -- ${eq}
                     while [ $# -gt 0 ]