diff --git a/test/intersect/new_test-intersect.sh b/test/intersect/new_test-intersect.sh
index 21636abd8eeb1196986ef51a64d995df917def5a..4900d4248d48496241d2ab75a4269c02672603e0 100755
--- a/test/intersect/new_test-intersect.sh
+++ b/test/intersect/new_test-intersect.sh
@@ -595,6 +595,15 @@ check obs exp
 rm obs exp dummy.txt
 
 
+###########################################################
+#  Test that we throw an error for unrecognized arguments
+############################################################
+echo "    intersect.new.t52...\c"
+echo "ERROR. Unrecognized argument: -wrongArg" > exp
+$BT intersect -a a.bed -b b.bed -wrongArg 2>&1 > /dev/null | head -2 | tail -1 > obs
+check obs exp
+rm obs exp
+