diff --git a/.build.yml b/.build.yml
index 46eb348..93236b8 100644
--- a/.build.yml
+++ b/.build.yml
@@ -22,16 +22,15 @@ tasks:
         printf 'User build\nStrictHostKeyChecking yes\nCheckHostIP no\nHost win\nHostName w1.uxn-build.ald.nu\nPort 2222\nHost mac\nHostName m1.uxn-build.ald.nu\nPort 2223\n' > ~/.ssh/config
     - build-linux: |
         cd uxn
-        sed -i -e 's/.*Running.*/exit/' build.sh
-        ./build.sh
+        ./build.sh --no-run
         mv bin uxn
         tar -czf ../out/uxn-linux-amd64.tar.gz uxn
         cd ..
     - build-windows: |
-        ssh win "rm -f uxn-windows-64bit.zip; export PATH=\"\${PATH}:/mingw64/bin\"; set -ex; cd uxn; git fetch; git checkout .; git clean -xfd; git checkout $(cd uxn && git rev-parse HEAD); sed -i -e 's/.*Running.*/exit/' build.sh; MSYSTEM=MSYS ./build.sh; mv bin uxn; zip -qr ../uxn-windows-64bit.zip uxn"
+        ssh win "rm -f uxn-windows-64bit.zip; export PATH=\"\${PATH}:/mingw64/bin\"; set -ex; cd uxn; git fetch; git checkout .; git clean -xfd; git checkout $(cd uxn && git rev-parse HEAD); MSYSTEM=MSYS ./build.sh --no-run; mv bin uxn; zip -qr ../uxn-windows-64bit.zip uxn"
         rsync win:uxn-windows-64bit.zip out/
     - build-macos: |
-        ssh mac "rm -f uxn-macos.tar.gz; export PATH=\"\${PATH}:/usr/local/bin\"; set -ex; cd uxn; git fetch; git checkout .; git clean -xfd; git checkout $(cd uxn && git rev-parse HEAD); sed -i -e 's/.*Running.*/exit/' build.sh; ./build.sh; mv bin uxn; tar -zcf ../uxn-macos.tar.gz uxn"
+        ssh mac "rm -f uxn-macos.tar.gz; export PATH=\"\${PATH}:/usr/local/bin\"; set -ex; cd uxn; git fetch; git checkout .; git clean -xfd; git checkout $(cd uxn && git rev-parse HEAD); ./build.sh --no-run; mv bin uxn; tar -zcf ../uxn-macos.tar.gz uxn"
         rsync mac:uxn-macos.tar.gz out/
     - upload: |
         ls -l out
diff --git a/build.sh b/build.sh
index dddc2f2..84bcaa1 100755
--- a/build.sh
+++ b/build.sh
@@ -64,6 +64,8 @@ fi
 echo "Assembling(asma).."
 ./bin/uxnasm projects/software/asma.tal bin/asma.rom
 
+if [ "${1}" = '--no-run' ]; then exit; fi
+
 echo "Assembling(piano).."
 bin/uxncli bin/asma.rom projects/examples/demos/piano.tal bin/piano.rom 2> bin/piano.log