diff --git a/src/SPC/builder/unix/library/zstd.php b/src/SPC/builder/unix/library/zstd.php
index ca05bf0c..f4298c94 100644
--- a/src/SPC/builder/unix/library/zstd.php
+++ b/src/SPC/builder/unix/library/zstd.php
@@ -13,7 +13,7 @@ trait zstd
         UnixCMakeExecutor::create($this)
             ->setBuildDir("{$this->source_dir}/build/cmake/build")
             ->addConfigureArgs(
-                '-DZSTD_BUILD_STATIC=' . (getenv('SPC_STATIC_LIBS') ? 'ON' : 'OFF'),
+                '-DZSTD_BUILD_STATIC=ON', // otherwise zstd util fails to build
                 '-DZSTD_BUILD_SHARED='. (getenv('SPC_STATIC_LIBS') ? 'OFF' : 'ON'),
             )
             ->build();