diff --git a/node/src/build_index.sh b/node/src/build_index.sh
index 748437c..8edc05f 100755
--- a/node/src/build_index.sh
+++ b/node/src/build_index.sh
@@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
-cat $1/sxt_proof_of_sql_sdk_wasm.js $SCRIPT_DIR/index_tail.js > $SCRIPT_DIR/index.js
-cp $1/sxt_proof_of_sql_sdk_wasm_bg.wasm $SCRIPT_DIR
-
 # Enable error handling
 set -euo pipefail
 
@@ -78,3 +75,6 @@ main() {
 }
 
 main "$@"
+
+cat $1/sxt_proof_of_sql_sdk_wasm.js $SCRIPT_DIR/index_tail.js > $SCRIPT_DIR/index.js
+cp $1/sxt_proof_of_sql_sdk_wasm_bg.wasm $SCRIPT_DIR