diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index fb0efeb62..474750d2c 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -2191,7 +2191,7 @@ void	CDriverGL::setSwapVBLInterval(uint interval)
 		res = nwglSwapIntervalEXT(_Interval) == TRUE;
 	}
 #elif defined(NL_OS_MAC)
-	[_ctx setValues:&interval forParameter:NSOpenGLCPSwapInterval];
+	[_ctx setValues:(GLint*)&interval forParameter:NSOpenGLCPSwapInterval];
 #elif defined(NL_OS_UNIX)
 	if (_win && _Extensions.GLXEXTSwapControl)
 	{