diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.query.sqlpp
new file mode 100644
index 0000000..16ab148
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.query.sqlpp
@@ -0,0 +1,25 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+SELECT DISTINCT VALUE -n.a
+FROM [
+  {"a":1, "b":2},
+  {"a":1},
+  {"a":1, "c":1}
+] n;
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.adm
new file mode 100644
index 0000000..3a2e3f4
--- /dev/null
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/query-ASTERIXDB-1490/query-ASTERIXDB-1490.1.adm
@@ -0,0 +1 @@
+-1
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
index ff00ea5..d392dbd 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml
@@ -2973,6 +2973,11 @@
       </compilation-unit>
     </test-case>
     <test-case FilePath="misc">
+      <compilation-unit name="query-ASTERIXDB-1490">
+        <output-dir compare="Text">query-ASTERIXDB-1490</output-dir>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="misc">
       <compilation-unit name="query-ASTERIXDB-1531">
         <output-dir compare="Text">query-ASTERIXDB-1531</output-dir>
       </compilation-unit>
diff --git a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/UnaryMinusTypeComputer.java b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/UnaryMinusTypeComputer.java
index ca10135..c53fcb0 100644
--- a/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/UnaryMinusTypeComputer.java
+++ b/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/UnaryMinusTypeComputer.java
@@ -59,6 +59,7 @@
             case INT64:
             case FLOAT:
             case DOUBLE:
+            case ANY:
                 return knownTypes[0];
             default:
                 return null;