diff --git a/internal/service/crypto.go b/internal/service/crypto.go
index 3a81240..7afe453 100644
--- a/internal/service/crypto.go
+++ b/internal/service/crypto.go
@@ -83,9 +83,9 @@ func (svc *CryptoService) GetEventDecryptionKey(ctx *gin.Context) {
 			return
 		}
 	}
-	data, err := svc.CryptoUsecase.GetEventDecryptionKey(ctx, identity, eon)
-	if err != nil {
-		ctx.Error(err)
+	data, httpErr := svc.CryptoUsecase.GetEventDecryptionKey(ctx, identity, eon)
+	if httpErr != nil {
+		ctx.Error(httpErr)
 		return
 	}
 	ctx.JSON(http.StatusOK, gin.H{