diff --git a/project/Core/Src/tftp.c b/project/Core/Src/tftp.c
index 765b597..81e5859 100644
--- a/project/Core/Src/tftp.c
+++ b/project/Core/Src/tftp.c
@@ -244,9 +244,6 @@ void init_index(void) {
         str_cat(virt_file[0].data, len, '\n');
         root = root->next;
     }
-
-    virt_file[2].data = malloc(100);
-    virt_file[2].len = 100;
 }
 
 struct tftp_context tftpContext_s = {.open = tftp_open, .close = tftp_close, .read = tftp_read, .write = tftp_write};
@@ -258,6 +255,9 @@ void tftp_server_init(void) {
     LOG_INFO(TAG, "Initializing tftp server");
     // init the index.txt virt_file
     init_index();
+    // init the virtImage.raw virt_file
+    virt_file[2].data = malloc(81920 * sizeof(char));
+    virt_file[2].len = 81920;
 
     // Init the tftp server
     if (tftp_init(&tftpContext_s) != ERR_OK) {