diff --git a/processing/src/main/java/io/druid/query/ordering/StringComparator.java b/processing/src/main/java/io/druid/query/ordering/StringComparator.java
index f61cab877a2..d88c78ecc8a 100644
--- a/processing/src/main/java/io/druid/query/ordering/StringComparator.java
+++ b/processing/src/main/java/io/druid/query/ordering/StringComparator.java
@@ -29,7 +29,7 @@ public abstract class StringComparator implements Comparator<String>
   @JsonCreator
   public static StringComparator fromString(String type)
   {
-    switch (type) {
+    switch (type.toLowerCase()) {
       case StringComparators.LEXICOGRAPHIC_NAME:
         return StringComparators.LEXICOGRAPHIC;
       case StringComparators.ALPHANUMERIC_NAME:
diff --git a/processing/src/test/java/io/druid/query/ordering/StringComparatorsTest.java b/processing/src/test/java/io/druid/query/ordering/StringComparatorsTest.java
index 1273921b29b..b40f721f451 100644
--- a/processing/src/test/java/io/druid/query/ordering/StringComparatorsTest.java
+++ b/processing/src/test/java/io/druid/query/ordering/StringComparatorsTest.java
@@ -207,5 +207,9 @@ public class StringComparatorsTest
     String makeFromJsonSpec = "\"numeric\"";
     Assert.assertEquals(StringComparators.NUMERIC
         , jsonMapper.readValue(makeFromJsonSpec, StringComparator.class));
+
+    makeFromJsonSpec = "\"NuMeRiC\"";
+    Assert.assertEquals(StringComparators.NUMERIC
+        , jsonMapper.readValue(makeFromJsonSpec, StringComparator.class));
   }
 }