diff --git a/source/core/bktr.c b/source/core/bktr.c
index 01f000d..97d285c 100644
--- a/source/core/bktr.c
+++ b/source/core/bktr.c
@@ -682,7 +682,7 @@ static bool bktrReadSubStorage(BucketTreeSubStorage *substorage, BucketTreeSubSt
         return false;
     }
     
-    BucketTreeContext *ctx = substorage->bktr_ctx;
+    BucketTreeContext *ctx = (BucketTreeContext*)substorage->bktr_ctx;
     NcaFsSectionContext *nca_fs_ctx = substorage->nca_fs_ctx;
     bool success = false;