diff --git a/src/main/scala/com/powerpanel/kso/OpenTSDBOutput.scala b/src/main/scala/com/powerpanel/kso/OpenTSDBOutput.scala
index d09faea..512353e 100644
--- a/src/main/scala/com/powerpanel/kso/OpenTSDBOutput.scala
+++ b/src/main/scala/com/powerpanel/kso/OpenTSDBOutput.scala
@@ -58,6 +58,7 @@ class OpenTSDBOutput extends Serializable {
                 body = body.concat(pstring);
              }
           }
+          body = body.dropRight(1);
           body = body.concat("]");
           Holder.logger.info("Post body: " + body);
           var openTSDBUrl = "http://" + opentsdbIP + "/api/put"