diff --git a/scripts/build-binaries.sh b/scripts/build-binaries.sh
index 8b9cd086b1..43ba159626 100755
--- a/scripts/build-binaries.sh
+++ b/scripts/build-binaries.sh
@@ -75,17 +75,13 @@ for target_pair in "${TARGETS[@]}"; do
   IFS=':' read -r target outfile <<< "$target_pair"
   echo "Building $target → $outfile"
 
-  # --bytecode excluded for Windows cross-compile (inconsistent Bun support)
-  BYTECODE_FLAG=""
-  if [[ "$target" != *windows* ]]; then
-    BYTECODE_FLAG="--bytecode"
-  fi
-
-  # Always --minify to match release parity
+  # --bytecode disabled: Bun 1.3.11 produces broken bytecode for our module graph
+  # (likely triggered by @mariozechner/pi-coding-agent's CJS/ESM interop shape) —
+  # "TypeError: Expected CommonJS module to have a function wrapper" at runtime.
+  # Always --minify to match release parity.
   bun build \
     --compile \
     --minify \
-    $BYTECODE_FLAG \
     --target="$target" \
     --outfile="$outfile" \
     packages/cli/src/cli.ts