1 files changed, 1 insertions, 1 deletions
diff --git a/core/fxcrt/fx_basic.h b/core/fxcrt/fx_basic.h
index 47cce9a60f..1f05dfb627 100644
--- a/core/fxcrt/fx_basic.h
+++ b/core/fxcrt/fx_basic.h
@@ -43,7 +43,7 @@ class CFX_BinaryBuf {
   }
 
   void InsertBlock(FX_STRSIZE pos, const void* pBuf, FX_STRSIZE size);
-  void Delete(int start_index, int count);
+  void Delete(FX_STRSIZE start_index, FX_STRSIZE count);
 
   // Releases ownership of |m_pBuffer| and returns it.
   std::unique_ptr<uint8_t, FxFreeDeleter> DetachBuffer();