diff --git a/client/fileutils.c b/client/fileutils.c
index 624c0259d..d82c00a48 100644
--- a/client/fileutils.c
+++ b/client/fileutils.c
@@ -354,17 +354,16 @@ int saveFileJSON(const char *preferredName, JSONFileType ftype, uint8_t *data, s
         case jsfT5555:
         case jsfMfPlusKeys:
             JsonSaveStr(root, "FileType", "mfp");
-            
             JsonSaveBufAsHexCompact(root, "$.Card.UID", &data[0], 7);
             JsonSaveBufAsHexCompact(root, "$.Card.SAK", &data[10], 1);
             JsonSaveBufAsHexCompact(root, "$.Card.ATQA", &data[11], 2);
             uint8_t atslen = data[13];
             if (atslen > 0)
                 JsonSaveBufAsHexCompact(root, "$.Card.ATS", &data[14], atslen);
-            
-            uint8_t vdata[2][64][16 + 1] = {0};
+
+            uint8_t vdata[2][64][16 + 1] = {{{0}}};
             memcpy(vdata, &data[14 + atslen], 2 * 64 * 17);
-            
+
             for (size_t i = 0; i < datalen; i++) {
                 char path[PATH_MAX_LENGTH] = {0};
 
@@ -379,7 +378,6 @@ int saveFileJSON(const char *preferredName, JSONFileType ftype, uint8_t *data, s
                     sprintf(path, "$.SectorKeys.%d.KeyB", mfSectorNum(i));
                     JsonSaveBufAsHexCompact(root, path, &vdata[1][i][1], 16);
                 }
-           
             }
             break;
         default: