diff --git a/PKGBUILD b/PKGBUILD
index 25437c0..588ea87 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -42,6 +42,7 @@ build() {
               --with-system-expat \
               --with-dbmliborder=gdbm:ndbm \
               --with-system-libmpdec \
+              --with-system-ffi \
               --enable-loadable-sqlite-extensions \
               --without-ensurepip