diff --git a/rules.d/core-rules.sh b/rules.d/core-rules.sh
index 3354160e..68a940e1 100644
--- a/rules.d/core-rules.sh
+++ b/rules.d/core-rules.sh
@@ -291,8 +291,8 @@ include_core_irogb() {
 }
 libretro_irogb_name="iroGB"
 libretro_irogb_git_url="https://github.com/AlexSutila/IroGB.git"
-libretro_dolphin_build_rule="cmake"
-libretro_dolphin_build_args="-DBUILD_LIBRETRO=ON -DNO_CORE_FILESYSTEM=ON"
+libretro_irogb_build_rule="cmake"
+libretro_irogb_build_args="-DBUILD_LIBRETRO=ON -DNO_CORE_FILESYSTEM=ON"
 
 include_core_snes9x2002() {
 	register_module core "snes9x2002" -ngc -ps3 -psp1 -wii