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-rwxr-xr-xtest/suite-clopts.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/suite-clopts.sh b/test/suite-clopts.sh
index 72cf02e9cc..5a534792b3 100755
--- a/test/suite-clopts.sh
+++ b/test/suite-clopts.sh
@@ -233,7 +233,7 @@ clopts_step_tshark_invalid_interfaces() {
if [ ! $RETURNVALUE -eq $EXIT_COMMAND_LINE ]; then
test_step_failed "exit status: $RETURNVALUE"
else
- grep -i 'Failed to match interface 'invalid_interface'' ./testout.txt > /dev/null
+ grep -i "Failed to match interface 'invalid_interface'" ./testout.txt > /dev/null
if [ $? -eq 0 ]; then
test_step_output_print ./testout.txt
test_step_ok