diff --git a/helper_lib.sh b/helper_lib.sh
index bba1a9c..12276e2 100644
--- a/helper_lib.sh
+++ b/helper_lib.sh
@@ -41,7 +41,7 @@ contains() {
 get_command_line_args() {
     PROC="$1"
 
-    for PID in `pgrep $PROC`
+    for PID in `pgrep -x -o $PROC`
     do
         cat /proc/$PID/cmdline | tr "\0" " "
     done