diff --git a/compat/openswoole.php b/compat/openswoole.php
index c2eb030..2e4760d 100644
--- a/compat/openswoole.php
+++ b/compat/openswoole.php
@@ -6,7 +6,7 @@
 
 // @see https://github.com/mezzio/mezzio-swoole/issues/110#issuecomment-1500174967
 // Override the swoole_set_process_name function
-if (version_compare(phpversion('openswoole'), '22.0.0', '>=')) {
+if (version_compare((string)phpversion('openswoole'), '22.0.0', '>=')) {
     function swoole_set_process_name(string $process_name): void
     {
         Util::setProcessName($process_name);