diff --git a/hash.go b/hash.go
new file mode 100644
index 0000000..ecaff8d
--- /dev/null
+++ b/hash.go
@@ -0,0 +1,13 @@
+package main
+
+import (
+	"encoding/hex"
+)
+
+type Hash struct {
+	Hash string `json:"hash"`
+}
+
+func NewHash(hash []byte) *Hash {
+	return &Hash{Hash: hex.EncodeToString(hash)}
+}
diff --git a/main.go b/main.go
index d8232e7..4075d0a 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,6 @@ package main
 import (
 	"bytes"
 	"crypto/sha512"
-	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -60,8 +59,9 @@ func GetAllHashHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	w.Header().Add("Content-Type", "application/json")
 	hash := sha512.Sum512(b.Bytes())
-	if _, err := fmt.Fprint(w, hex.EncodeToString(hash[:])); err != nil {
+	if err := json.NewEncoder(w).Encode(NewHash(hash[:])); err != nil {
 		InternalServerError(w, err)
 		return
 	}
@@ -113,7 +113,8 @@ func GetFileHashHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if _, err := fmt.Fprint(w, hex.EncodeToString(hasher.Sum(nil))); err != nil {
+	w.Header().Add("Content-Type", "application/json")
+	if err := json.NewEncoder(w).Encode(NewHash(hasher.Sum(nil))); err != nil {
 		InternalServerError(w, err)
 		return
 	}