diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue166.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue166.aql
new file mode 100644
index 0000000..b01bfe1
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue166.aql
@@ -0,0 +1,4 @@
+write output to nc1:"rttest/open-closed_query-issue166.adm";
+
+let $a := [[1,2,3],[4,5,6,7]]
+return $a[1]
\ No newline at end of file
diff --git a/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue166.adm b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue166.adm
new file mode 100644
index 0000000..b5897af
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/open-closed/query-issue166.adm
@@ -0,0 +1 @@
+[ 4, 5, 6, 7 ]
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index 3235a6d..b80c499 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -2314,6 +2314,11 @@
         <output-file compare="Text">query-issue55-1.adm</output-file>
       </compilation-unit>
     </test-case>
+    <test-case FilePath="open-closed">
+      <compilation-unit name="query-issue166">
+        <output-file compare="Text">query-issue166.adm</output-file>
+      </compilation-unit>
+    </test-case>
     <!--
     <test-case FilePath="open-closed">
       <compilation-unit name="open-closed-15">