diff --git a/.build.yml b/.build.yml
index 81e934d..d7fbfdb 100644
--- a/.build.yml
+++ b/.build.yml
@@ -9,10 +9,11 @@ sources:
     - https://git.sr.ht/~rabbits/nasu
 tasks:
     - prepare: |
-        xxd -r -p uxnmin/etc/drifloon.rom.txt drifloon.rom
-        cc -DNDEBUG -O2 -g0 -s uxnmin/src/uxnmin.c -o uxnmin
+        xxd -r -p uxnmin/etc/drifloon.rom.txt asm.rom
+        cc -DNDEBUG -O2 -g0 -s uxnmin/src/uxnmin.c -o uxn.bin
+        cat nasu/src/nasu.tal nasu/src/manifest.tal nasu/src/assets.tal > src.tal
     - assemble: |
-        cat nasu/src/nasu.tal nasu/src/manifest.tal nasu/src/assets.tal | uxnmin drifloon.rom > nasu.rom
+        cat src.tal | ./uxn.bin asm.rom > nasu.rom
     - upload: |
         tar -czf out.tar.gz nasu.rom
         acurl() {