diff --git a/heartbeat/oralsnr b/heartbeat/oralsnr

index c47f121..622138c 100755

--- a/heartbeat/oralsnr

+++ b/heartbeat/oralsnr

@@ -267,8 +267,8 @@ oralsnr_validate_all() {

 # used in ora-common.sh

 show_procs() {

-	ps -e -o pid,user,args |

-		grep '[t]nslsnr' | grep -i -w "$listener" | grep -w "$ORACLE_OWNER"

+	ps -U "$ORACLE_OWNER" -o pid,user,args |

+		grep '[t]nslsnr' | grep -i -w "$listener"

 }

 proc_pids() { show_procs | awk '{print $1}'; }

 PROCS_CLEANUP_TIME="10"