diff --git a/src/SPC/builder/unix/UnixBuilderBase.php b/src/SPC/builder/unix/UnixBuilderBase.php
index 92ee2518..83de392c 100644
--- a/src/SPC/builder/unix/UnixBuilderBase.php
+++ b/src/SPC/builder/unix/UnixBuilderBase.php
@@ -296,11 +296,12 @@ abstract class UnixBuilderBase extends BuilderBase
         if ($this->getLib('brotli') !== null && !str_contains($xcaddyModules, '--with github.com/dunglas/caddy-cbrotli')) {
             $xcaddyModules .= ' --with github.com/dunglas/caddy-cbrotli';
         }
+        $lrt = PHP_OS_FAMILY === 'Linux' ? '-lrt' : '';
 
         $env = [
             'CGO_ENABLED' => '1',
             'CGO_CFLAGS' => '$(php-config --includes) -I$(php-config --include-dir)/..',
-            'CGO_LDFLAGS' => '$(php-config --ldflags) -L' . BUILD_LIB_PATH . " $(php-config --libs) {$brotliLibs} {$watcherLibs} -lphp -lrt",
+            'CGO_LDFLAGS' => '$(php-config --ldflags) -L' . BUILD_LIB_PATH . " $(php-config --libs) {$brotliLibs} {$watcherLibs} -lphp {$lrt}",
             'XCADDY_GO_BUILD_FLAGS' => "-ldflags='-w -s' -tags=nobadger,nomysql,nopgx{$nobrotli}{$nowatcher}",
             'LD_LIBRARY_PATH' => BUILD_LIB_PATH,
         ];