diff --git a/build/tests/CheckDSHashTable/src/main.c b/build/tests/CheckDSHashTable/src/main.c
index d005db49..bb73c028 100644
--- a/build/tests/CheckDSHashTable/src/main.c
+++ b/build/tests/CheckDSHashTable/src/main.c
@@ -71,6 +71,15 @@ static BOOL ReadImage(void* dest, s32 offset, s32 length, void* arg)
     }
     return TRUE;
 }
+static BOOL ReadImageEx(SVCHMACSHA1Context* ctx, s32 offset, s32 length, void* arg)
+{
+    if ( !ReadImage(p2work.buffer, offset, length, arg) )
+    {
+        return FALSE;
+    }
+    DHT_CheckHashPhase2ExUpdate(ctx, p2work.buffer, length);
+    return TRUE;
+}
 #else
 #ifdef SDK_ARM9
 #define PAGE_SIZE 512
@@ -187,6 +196,12 @@ static BOOL CheckValidation(FSFile* fp)
         return FALSE;
     }
 
+    // ハッシュ計算 (2ex) - 隠蔽は難しいか
+    if ( !DHT_CheckHashPhase2Ex(db->hash[1], &rom_header, (DHTPhase2ExWork*)&p2work, ReadImage, ReadImageEx, fp) )
+    {
+        return FALSE;
+    }
+
     return TRUE;
 }