diff --git a/sys/modules/agp/Makefile b/sys/modules/agp/Makefile
--- a/sys/modules/agp/Makefile
+++ b/sys/modules/agp/Makefile
@@ -36,6 +36,7 @@
 		intel_gtt_install_pte	\
 		intel_gtt_get		\
 		intel_gtt_chipset_flush	\
+		intel_gtt_read_pte	\
 		intel_gtt_unmap_memory	\
 		intel_gtt_map_memory	\
 		intel_gtt_insert_sg_entries \