diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 2c9ca2c64628..581f9222a9d1 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -506,6 +506,11 @@ static void intel_i830_init_gtt_entries(void)
 			break;
 		}
 	} else {
+		/* G33's GTT stolen memory is separate from gfx data
+		 * stolen memory.
+		 */
+		if (IS_G33)
+			size = 0;
 		switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
 		case I855_GMCH_GMS_STOLEN_1M:
 			gtt_entries = MB(1) - KB(size);