diff --git a/src/globals/test-extensions.php b/src/globals/test-extensions.php
index d7d81099..8f0c32cc 100644
--- a/src/globals/test-extensions.php
+++ b/src/globals/test-extensions.php
@@ -114,7 +114,7 @@ function quote2(string $param): string
 }
 
 // generate build command
-if ($argv[1] === 'build_cmd') {
+if ($argv[1] === 'build_cmd' || $argv[1] === 'build_embed_cmd') {
     $build_cmd = 'build ';
     $build_cmd .= quote2($final_extensions) . ' ';
     $build_cmd .= $zts ? '--enable-zts ' : '';