diff --git a/common/build-helper/rust.sh b/common/build-helper/rust.sh
index cc4de30bc3a..a62503583f3 100644
--- a/common/build-helper/rust.sh
+++ b/common/build-helper/rust.sh
@@ -35,3 +35,6 @@ export LIBSSH2_SYS_USE_PKG_CONFIG=1
 # sodium-sys
 export SODIUM_LIB_DIR="${XBPS_CROSS_BASE}/usr/include"
 export SODIUM_INC_DIR="${XBPS_CROSS_BASE}/usr/lib"
+
+# openssl-sys
+export OPENSSL_NO_VENDOR=1