diff --git a/libretro-build-xdk1.sh b/libretro-build-xdk1.sh
index 4d9fb945..eeabac63 100644
--- a/libretro-build-xdk1.sh
+++ b/libretro-build-xdk1.sh
@@ -96,6 +96,7 @@ else
 	build_libretro_quicknes
 	#build_libretro_gambatte
 	#build_libretro_nx
+	build_libretro_o2em
 	build_libretro_stella
 	build_libretro_prboom
 	build_libretro_nestopia
diff --git a/libretro-build-xdk360.sh b/libretro-build-xdk360.sh
index 4e3026df..4e8f532e 100644
--- a/libretro-build-xdk360.sh
+++ b/libretro-build-xdk360.sh
@@ -53,6 +53,8 @@ else
 	build_libretro_fceumm
 	build_libretro_gambatte
 	build_libretro_nx
+	# O2EM - not tested yet - could be endian unsafe
+	#build_libretro_o2em
 	build_libretro_prboom
 	build_libretro_stella
 	build_libretro_quicknes