diff --git a/server/lib/classes/aps_installer.inc.php b/server/lib/classes/aps_installer.inc.php
index 9b601d90b341d5f7722da5468a55e74d1961da24..f0ce0c219995845e85eb058113d17df89eeda6ee 100644
--- a/server/lib/classes/aps_installer.inc.php
+++ b/server/lib/classes/aps_installer.inc.php
@@ -554,7 +554,8 @@ class ApsInstaller extends ApsBase
 
 			$shell_retcode = true;
 			$shell_ret = array();
-			exec('php '.escapeshellarg($this->local_installpath.'install_scripts/'.$cfgscript).' install 2>&1', $shell_ret, $shell_retcode);
+			// There are APS packages that require PHP5 for being installed
+			exec((is_executable('/usr/bin/php5')?'/usr/bin/php5 ':'php ').escapeshellarg($this->local_installpath.'install_scripts/'.$cfgscript).' install 2>&1', $shell_ret, $shell_retcode);
 			$shell_ret = array_filter($shell_ret);
 			$shell_ret_str = implode("\n", $shell_ret);