diff --git a/README.md b/README.md
index bb5c4b1..2c5fe22 100644
--- a/README.md
+++ b/README.md
@@ -3,15 +3,26 @@
 
 ## How to build  
 
+> [!IMPORTANT]  
+> **you will need these programs to compile!**  
+> git  
+> gcc  
+> xxd   
+> ImageMagick (if you changed the firework image)
+
 ```bash
 git submodule update --init --recursive
 cd  edk2
 source edksetup.sh
 make -C BaseTools
 cd ..
-./build.sh
+./build.sh # to build for diferent arch than X64 change TARGET_ARCH in build.sh
 ```
-
+> [!WARNING]
+> **compilation for AARCH64**  
+> does not work  
+> for some unknown reason  
+> i haven't tryed other arches than AMD64, IA32 and AARCH64
 ## How to use  
 
 ### Download release  
@@ -44,7 +55,7 @@ copy ```edk2/Build/UEFI_fireworks/DEBUG_GCC5/<YOUR ARCH>/UEFI_fireworks.efi``` t
 | ------------------- | ------------------------ |
 | **x86_64 (AMD64)**  | `/EFI/BOOT/BOOTX64.EFI`  |
 | **x86 (IA32)**      | `/EFI/BOOT/BOOTIA32.EFI` |
-| **ARM64 (AArch64)** | `/EFI/BOOT/BOOTAA64.EFI` |
+| **ARM64 (AARCH64)** | `/EFI/BOOT/BOOTAA64.EFI` |
 | **ARM (32-bit)**    | `/EFI/BOOT/BOOTARM.EFI`  |
 
 ## Controling  
diff --git a/UEFI_fireworks.dsc b/UEFI_fireworks.dsc
index b86e20b..adaa3fa 100644
--- a/UEFI_fireworks.dsc
+++ b/UEFI_fireworks.dsc
@@ -4,7 +4,7 @@
   PLATFORM_VERSION               = 1.0
   DSC_SPECIFICATION              = 0x00010005
   OUTPUT_DIRECTORY               = Build/UEFI_fireworks
-  SUPPORTED_ARCHITECTURES        = X64
+  SUPPORTED_ARCHITECTURES        = X64|IA32|ARM|AARCH64|RISCV64
   BUILD_TARGETS                  = DEBUG|RELEASE
   SKUID_IDENTIFIER               = DEFAULT
 
diff --git a/build.sh b/build.sh
index 6136752..0ad9c62 100755
--- a/build.sh
+++ b/build.sh
@@ -1,11 +1,12 @@
 #!/bin/bash
 export PACKAGES_PATH=$PWD:$PWD/edk2
+export TARGET_ARCH=X64
 magick assets/rocket_orig.bmp -type TrueColor -define  bmp:format=bmp3 -compress None assets/rocket.bmp
 xxd -i assets/rocket.bmp > src/UEFI_fireworks/rocket.c
 if [ "$1" == "debug" ]; then
-    build -a X64 -t GCC5 -p UEFI_fireworks.dsc -b DEBUG
+    build -a $TARGET_ARCH -t GCC5 -p UEFI_fireworks.dsc -b DEBUG
 else
-    build -a X64 -t GCC5 -p UEFI_fireworks.dsc -b RELEASE
+    build -a $TARGET_ARCH -t GCC5 -p UEFI_fireworks.dsc -b RELEASE
 fi
 mkdir -p build/EFI/BOOT/
 if [ "$1" == "debug" ]; then
diff --git a/src/UEFI_fireworks/UefiMain.c b/src/UEFI_fireworks/UefiMain.c
index efb1878..59ae061 100644
--- a/src/UEFI_fireworks/UefiMain.c
+++ b/src/UEFI_fireworks/UefiMain.c
@@ -52,8 +52,8 @@ EFI_STATUS EFIAPI UefiMain(IN EFI_HANDLE imgHandle,
     return EFI_NOT_FOUND;
   }
 
-  framebuffer =
-      (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)GraphicsOutput->Mode->FrameBufferBase;
+  framebuffer = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)(UINTN)
+                    GraphicsOutput->Mode->FrameBufferBase;
 
   init_rng();
   init_rocket_blt();