diff --git a/ci/linux_before_all.sh b/ci/linux_before_all.sh
index 60625ee..c2115af 100755
--- a/ci/linux_before_all.sh
+++ b/ci/linux_before_all.sh
@@ -2,4 +2,4 @@
 set -euxo pipefail
 # Runs inside manylinux; use yum/dnf
 if command -v dnf >/dev/null 2>&1; then PM=dnf; else PM=yum; fi
-$PM -y install pkgconfig ninja-build unzip make which curl ca-certificates xz tar gzip cmake gcc-c++ fftw fftw-devel boost-devel zstd libzstd-devel || true
\ No newline at end of file
+$PM -y install pkgconfig ninja-build unzip make which curl ca-certificates xz tar gzip cmake gcc-c++ fftw-libs fftw-devel boost-devel zstd libzstd-devel || true
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 5a7ec71..ab837b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,7 @@ skip  = "pp* *-musllinux_*"
 
 # Tests
 test-requires = ["numpy"]
-test-command  = "python ci/smoke_test.py"
+test-command  = "python {project}/ci/smoke_test.py"
 
 # Linux image + pre-steps (runs inside manylinux container)
 [tool.cibuildwheel.linux]