diff --git a/newton-4.00/sdk/dCore/ndTypes.h b/newton-4.00/sdk/dCore/ndTypes.h
index 7165b88a0..cfb17fc3a 100644
--- a/newton-4.00/sdk/dCore/ndTypes.h
+++ b/newton-4.00/sdk/dCore/ndTypes.h
@@ -179,10 +179,10 @@
 	#define	D_GCC_NEWTON_ALIGN_32 
 	#define	D_MSV_NEWTON_ALIGN_32	__declspec(align(32))
 #else
-	#define	D_GCC_NEWTON_ALIGN_16     __attribute__(aligned (16))
+	#define	D_GCC_NEWTON_ALIGN_16     __attribute__((aligned (16)))
 	#define	D_MSV_NEWTON_ALIGN_16
 
-	#define	D_GCC_NEWTON_ALIGN_32     __attribute__(aligned (32))
+	#define	D_GCC_NEWTON_ALIGN_32     __attribute__((aligned (32)))
 	#define	D_MSV_NEWTON_ALIGN_32
 #endif
 
@@ -190,8 +190,8 @@
 	#define D_LIBRARY_EXPORT __declspec(dllexport)
 	#define D_LIBRARY_IMPORT __declspec(dllimport)
 #else
-	#define D_LIBRARY_EXPORT __attribute__(visibility("default"))
-	#define D_LIBRARY_IMPORT __attribute__(visibility("default"))
+	#define D_LIBRARY_EXPORT __attribute__((visibility("default")))
+	#define D_LIBRARY_IMPORT __attribute__((visibility("default")))
 #endif
 
 #ifdef _D_CORE_DLL