diff --git a/stratosphere/ams_mitm/source/utils.cpp b/stratosphere/ams_mitm/source/utils.cpp
index addd8ea9e..16f5d5b5b 100644
--- a/stratosphere/ams_mitm/source/utils.cpp
+++ b/stratosphere/ams_mitm/source/utils.cpp
@@ -673,7 +673,7 @@ void Utils::RebootToFatalError(AtmosphereFatalErrorContext *ctx) {
 void Utils::CreateBlankProdInfoIfNeeded() {
     Result rc;
 
-    rc = fsFsOpenFile(&g_sd_filesystem, "/atmosphere/automatic_backups/prodinfo_blank.bin", FS_OPEN_READ, &g_blank_prodinfo_file);
+    rc = fsFsOpenFile(&g_sd_filesystem, "/atmosphere/automatic_backups/prodinfo_blank.bin", FS_OPEN_READ | FS_OPEN_WRITE, &g_blank_prodinfo_file);
     if (R_SUCCEEDED(rc)) {
         return;
     }
@@ -723,7 +723,7 @@ void Utils::CreateBlankProdInfoIfNeeded() {
         memcpy(&p[hash_offset], hash, 0x20);
     }
 
-    rc = fsFsOpenFile(&g_sd_filesystem, "/atmosphere/automatic_backups/prodinfo_blank.bin", FS_OPEN_WRITE, &g_blank_prodinfo_file);
+    rc = fsFsOpenFile(&g_sd_filesystem, "/atmosphere/automatic_backups/prodinfo_blank.bin", FS_OPEN_READ | FS_OPEN_WRITE, &g_blank_prodinfo_file);
     if (R_FAILED(rc)) {
         std::abort();
     }