diff --git a/src/main/java/com/beust/jcommander/converters/CommaParameterSplitter.java b/src/main/java/com/beust/jcommander/converters/CommaParameterSplitter.java
index 0e3bb1869..99bb8b728 100644
--- a/src/main/java/com/beust/jcommander/converters/CommaParameterSplitter.java
+++ b/src/main/java/com/beust/jcommander/converters/CommaParameterSplitter.java
@@ -5,8 +5,21 @@
 
 public class CommaParameterSplitter implements IParameterSplitter {
 
-  public List<String> split(String value) {
-    return Arrays.asList(value.split(","));
+  @Override
+  public List<String> split(final String value) {
+    return getJsonType(value.trim()) ? Arrays.asList(value) : Arrays.asList(value.split(","));
   }
 
+
+  /**
+   * Check if the parameter is in Json format.
+   *
+   * @param arg the split parameter
+   * @return {@code true} if {@code String} is in Json format
+   */
+  public static boolean getJsonType(final String arg) {
+    final char[] chars = arg.toCharArray();
+    return chars[0] == '{' && chars[chars.length-1] == '}' || chars[0] == '[' && chars[chars.length-1] == ']'
+        ? true : false;
+  }
 }