diff --git a/src/gui/opengl/qopengl.h b/src/gui/opengl/qopengl.h
index 87dc2a830e8..a060949c17e 100644
--- a/src/gui/opengl/qopengl.h
+++ b/src/gui/opengl/qopengl.h
@@ -181,7 +181,11 @@ typedef ptrdiff_t GLsizeiptrARB;
 #ifndef GL_ARB_shader_objects
 /* GL types for program/shader text and shader object handles */
 typedef char GLcharARB;
+# ifdef Q_OS_DARWIN
+typedef void *GLhandleARB;
+# else
 typedef unsigned int GLhandleARB;
+# endif // Q_OS_DARWIN
 #endif
 
 /* GL type for "half" precision (s10e5) float data in host memory */