diff --git a/json_utility.go b/json_utility.go
index 9e3f0c6..8ec4385 100644
--- a/json_utility.go
+++ b/json_utility.go
@@ -26,7 +26,7 @@ type JSONPayload struct {
 	Params	     map[string]string  `json:"params"`
 	Lang	     LangMap            `json:"lang"`
 	Fields	     []Field            `json:"fields"`
-	Correlations []CorrelationField `json:"correlation_fields"`
+	Correlations []CorrelationField `json:"correlationFields"`
 	IdField      string             `json:"idField"`
 	// Data can only hold slices of any type. It can't be used for itteration
 	Data	     interface{}        `json:"data"`