diff --git a/src/backend/utils/misc/ps_status.c b/src/backend/utils/misc/ps_status.c
index 892a810..d8f2105 100644
--- a/src/backend/utils/misc/ps_status.c
+++ b/src/backend/utils/misc/ps_status.c
@@ -134,11 +134,8 @@ save_ps_display_args(int argc, char **argv)
 		/*
 		 * check for contiguous argv strings
 		 */
-		for (i = 0; i < argc; i++)
-		{
-			if (i == 0 || end_of_area + 1 == argv[i])
-				end_of_area = argv[i] + strlen(argv[i]);
-		}
+		if (argc)
+			end_of_area = argv[argc - 1] + strlen(argv[argc - 1]);

 		if (end_of_area == NULL)	/* probably can't happen? */
 		{