diff --git a/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java b/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java
index cff8baf..5c8686b 100644
--- a/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java
+++ b/src/main/java/org/ntlab/nemophila/utils/Base64Decode.java
@@ -5,8 +5,6 @@
 
 public class Base64Decode {
     private static void saveAsFile(String path, String enImage) throws IOException{
-        byte[] deData = Base64.getDecoder().decode(enImage);
-
         File file = new File(path);
 
         if(enImage == null) {
@@ -14,6 +12,8 @@
             return;
         }
 
+        byte[] deData = Base64.getDecoder().decode(enImage);
+
         file.getParentFile().mkdir();
         file.createNewFile();