diff --git a/rules.d/core-rules.sh b/rules.d/core-rules.sh
index 9366c483..f56a189e 100644
--- a/rules.d/core-rules.sh
+++ b/rules.d/core-rules.sh
@@ -158,13 +158,13 @@ libretro_pcsx_rearmed_configure() {
 	fi
 }
 
-register_module core "pcsxr" -theos_ios -ngc -ps3 -psp1 -wii
-libretro_pcsxr_name="PCSXR"
-libretro_pcsxr_git_url="https://github.com/libretro/pcsxr-libretro.git"
-libretro_pcsxr_build_makefile="Makefile.libretro"
-libretro_pcsxr_configure() {
+register_module core "pcsx1" -theos_ios -ngc -ps3 -psp1 -wii
+libretro_pcsx1_name="PCSX1"
+libretro_pcsx1_git_url="https://github.com/libretro/pcsxr-libretro.git"
+libretro_pcsx1_build_makefile="Makefile.libretro"
+libretro_pcsx1_configure() {
 	if [ "$platform" = "ios" ]; then
-		core_build_cores="pcsxr_interpreter pcsxr"
+		core_build_cores="pcsx1_interpreter pcsx1"
 	fi
 }