diff --git a/sapi/fpm/tests/proc-idle-timeout.phpt b/sapi/fpm/tests/proc-idle-timeout.phpt
index 7a9bb55efaf..ad51c0821bc 100644
--- a/sapi/fpm/tests/proc-idle-timeout.phpt
+++ b/sapi/fpm/tests/proc-idle-timeout.phpt
@@ -5,7 +5,7 @@ Frequently fails in CI
 --SKIPIF--
 <?php
 include "skipif.inc";
-if (!getenv("RUN_RESOURCE_HEAVY_TESTS")) die("skip resource-heavy test");
+if (!getenv("FPM_RUN_RESOURCE_HEAVY_TESTS")) die("skip FPM resource-heavy test");
 if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
 ?>
 --FILE--