diff --git a/neo/idlib/BitMsg.cpp b/neo/idlib/BitMsg.cpp
index 13813d9..775de92 100644
--- a/neo/idlib/BitMsg.cpp
+++ b/neo/idlib/BitMsg.cpp
@@ -515,7 +515,7 @@ int idBitMsg::ReadDeltaByteCounter( int oldValue ) const {
 		return oldValue;
 	}
 	newValue = ReadBits( i );
-	return ( oldValue & ~( ( 1 << i ) - 1 ) | newValue );
+	return ( ( oldValue & ~( ( 1 << i ) - 1 ) ) | newValue );
 }
 
 /*
@@ -531,7 +531,7 @@ int idBitMsg::ReadDeltaShortCounter( int oldValue ) const {
 		return oldValue;
 	}
 	newValue = ReadBits( i );
-	return ( oldValue & ~( ( 1 << i ) - 1 ) | newValue );
+	return ( ( oldValue & ~( ( 1 << i ) - 1 )) | newValue );
 }
 
 /*
@@ -547,7 +547,7 @@ int idBitMsg::ReadDeltaLongCounter( int oldValue ) const {
 		return oldValue;
 	}
 	newValue = ReadBits( i );
-	return ( oldValue & ~( ( 1 << i ) - 1 ) | newValue );
+	return ( ( oldValue & ~( ( 1 << i ) - 1 ) ) | newValue );
 }
 
 /*