diff --git a/speechx/speechx/base/basic_types.h b/speechx/speechx/base/basic_types.h
index 3e298b1b5338ccd3434e103066892f37c6af0e09..2b15a61fe3eef0d3796fa680946f9acb4a4f7d1d 100644
--- a/speechx/speechx/base/basic_types.h
+++ b/speechx/speechx/base/basic_types.h
@@ -47,10 +47,10 @@ const uint8 kuint8max = static_cast<uint8>(0xFF);
 const uint16 kuint16max = static_cast<uint16>(0xFFFF);
 const uint32 kuint32max = static_cast<uint32>(0xFFFFFFFF);
 const uint64 kuint64max = static_cast<uint64>(0xFFFFFFFFFFFFFFFFLL);
-const int8 kint8min = static_cast<int8> (0x80);
-const int8 kint8max = static_cast<int8> (0x7F);
-const int16 kint16min = static_cast<int16> (0x8000);
-const int16 kint16max = static_cast<int16> (0x7FFF);
+const int8 kint8min = static_cast<int8>(0x80);
+const int8 kint8max = static_cast<int8>(0x7F);
+const int16 kint16min = static_cast<int16>(0x8000);
+const int16 kint16max = static_cast<int16>(0x7FFF);
 const int32 kint32min = static_cast<int32>(0x80000000);
 const int32 kint32max = static_cast<int32>(0x7FFFFFFF);
 const int64 kint64min = static_cast<int64>(0x8000000000000000LL);