diff --git a/fusee/program/source/fusee_mmc.cpp b/fusee/program/source/fusee_mmc.cpp
index 5644741b6..cd15cf8a5 100644
--- a/fusee/program/source/fusee_mmc.cpp
+++ b/fusee/program/source/fusee_mmc.cpp
@@ -49,6 +49,8 @@ namespace ams::nxboot {
 
             /* Finalize MMC. */
             sdmmc::Finalize(MmcPort);
+
+            g_mmc_partition = sdmmc::MmcPartition_Unknown;
         }
     }