diff --git a/backend/windmill-duckdb-ffi-internal/build_dev.sh b/backend/windmill-duckdb-ffi-internal/build_dev.sh
index 6d6a7f66c5..1fb13057a2 100755
--- a/backend/windmill-duckdb-ffi-internal/build_dev.sh
+++ b/backend/windmill-duckdb-ffi-internal/build_dev.sh
@@ -1,2 +1,3 @@
 CARGO_NET_GIT_FETCH_WITH_CLI=true cargo build --release -p windmill_duckdb_ffi_internal
+mkdir -p ../target/debug/
 cp target/release/libwindmill_duckdb_ffi_internal.* ../target/debug/
\ No newline at end of file