diff --git a/tests/argparse.err b/tests/argparse.err
index a2e81c6d6..14120e58e 100644
--- a/tests/argparse.err
+++ b/tests/argparse.err
@@ -115,3 +115,6 @@ in function 'notargparse'
 
 ####################
 # Ignoring unknown options
+
+####################
+# Check for crash when last option is unknown
diff --git a/tests/argparse.in b/tests/argparse.in
index 84e8ed378..3b9c0d811 100644
--- a/tests/argparse.in
+++ b/tests/argparse.in
@@ -186,3 +186,6 @@ or echo unexpected argparse return status $status >&2
 # The unknown options are removed _entirely_.
 echo $argv
 echo $_flag_a
+
+logmsg Check for crash when last option is unknown
+argparse -i b/break -- "-b kubectl get pods -l name=foo"
diff --git a/tests/argparse.out b/tests/argparse.out
index 68b155242..2a1f9b8c7 100644
--- a/tests/argparse.out
+++ b/tests/argparse.out
@@ -137,3 +137,6 @@ expected argparse return status 57
 # Ignoring unknown options
 -t tango --wurst
 alpha aaaa
+
+####################
+# Check for crash when last option is unknown