diff --git a/Makefile b/Makefile
index 46ba537f..0c15c346 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .PHONY: all build
 
-VERSION := 0.2
+VERSION := 0.2.1
 
 all: build
 
diff --git a/main.go b/main.go
index 186c7b0b..8b60ad1d 100644
--- a/main.go
+++ b/main.go
@@ -105,7 +105,7 @@ func makeInput(r authorization.Request) (interface{}, error) {
 
 	var body interface{}
 
-	if r.RequestHeaders["Content-Type"] == "application/json" {
+	if r.RequestHeaders["Content-Type"] == "application/json" && len(r.RequestBody) > 0 {
 		if err := json.Unmarshal(r.RequestBody, &body); err != nil {
 			return nil, err
 		}