diff --git a/scripts/cross-build.sh b/scripts/cross-build.sh
index 47ca75d..eb653d9 100755
--- a/scripts/cross-build.sh
+++ b/scripts/cross-build.sh
@@ -92,6 +92,7 @@ EOF
 build_libwebsockets() {
     echo "=== Building libwebsockets-${LIBWEBSOCKETS_VERSION} (${TARGET})..."
     curl -kfSsLo- "$URL_LWS" | tar xz -C "${BUILD_DIR}"
+    pushd "${BUILD_DIR}/libwebsockets-${LIBWEBSOCKETS_VERSION}"
         sed -i 's/ websockets_shared//g' cmake/libwebsockets-config.cmake.in
         sed -i 's/ OR PC_OPENSSL_FOUND//g' lib/tls/CMakeLists.txt
         sed -i '/PC_OPENSSL/d' lib/tls/CMakeLists.txt