diff --git a/libretro-build-ios.sh b/libretro-build-ios.sh
index 53cbd7b1..5f84d7ab 100755
--- a/libretro-build-ios.sh
+++ b/libretro-build-ios.sh
@@ -77,4 +77,5 @@ else
    build_libretro_3dengine
    build_libretro_vecx
    build_libretro_tgbdual
+   build_libretro_prosystem
 fi