diff --git a/cli/opctest/build.sh b/cli/opctest/build.sh
index 60e4caf..bd5f0bb 100755
--- a/cli/opctest/build.sh
+++ b/cli/opctest/build.sh
@@ -1,6 +1,6 @@
 #!/bin/sh -e
 
-ASM="uxncli $HOME/roms/drifblim.rom"
+ASM="uxnasm"
 EMU="uxncli"
 LIN="uxncli $HOME/roms/uxnlin.rom"