diff --git a/etc/inc/service-utils.inc b/etc/inc/service-utils.inc
index 7a0eccfeb0..02b235ce37 100644
--- a/etc/inc/service-utils.inc
+++ b/etc/inc/service-utils.inc
@@ -146,7 +146,7 @@ function restart_service($name) {
 
 function is_pid_running($pidfile) {
 	$pid = trim(file_get_contents($pidfile));
-	$running = (trim(shell_exec("ps -p {$pid}")) != '');
+	$running = (trim(shell_exec("/usr/bin/procstat {$pid} 2>/dev/null")) != '');
 	return $running;
 }
 
diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index 686810f846..76dba778fb 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -50,7 +50,7 @@ function isvalidpid($pid) {
 }
 
 function is_process_running($process) {
-        $running = (shell_exec("pgrep -x {$process}") != '');
+        $running = (shell_exec("/bin/pgrep -x {$process}") != '');
 
         return $running;
 }