diff --git a/tests/acceptance/run.sh b/tests/acceptance/run.sh
index 791604a4dfda..1f2f7d6f9709 100755
--- a/tests/acceptance/run.sh
+++ b/tests/acceptance/run.sh
@@ -50,6 +50,15 @@ then
 		echo "Check the setting of EXPECTED_FAILURES_FILE environment variable"
 		exit 1
 	fi
+	# If the last line of the expected-failures file ends without a newline character
+	# then that line may not get processed by some of the bash code in this script
+	# So check that the last character in the file is a newline
+	if [ $(tail -c1 "${EXPECTED_FAILURES_FILE}" | wc -l) -eq 0 ]
+	then
+		echo "Expected failures file ${EXPECTED_FAILURES_FILE} must end with a newline"
+		echo "Put a newline at the end of the last line and try again"
+		exit 1
+	fi
 fi
 
 # Default to testing a local system