diff --git a/build.sh b/build.sh
index f5635b1..59326c5 100644
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@
 
 CFLAGS="-Wall -Wextra -Wpedantic -Wswitch-enum -Werror -std=c23 -ggdb"
 LDFLAGS="-lm -lraylib"
-SRC="src/sv.c src/vec.c src/program_iter.c src/simulation.c src/main.c"
+SRC="src/sv.c src/vec.c src/bf.c src/main.c"
 OUT="main.out"
 
 set -xe