--- ./pgrep.c.orig	2019-10-27 06:32:58.339230954 -0500
+++ ./pgrep.c	2019-12-21 13:38:57.229656940 -0600
@@ -42,6 +42,8 @@
 #define EXIT_FATAL 3
 #define XALLOC_EXIT_CODE EXIT_FATAL
 
+#define CMDSTRSIZE 4096
+
 #include "c.h"
 #include "fileutils.h"
 #include "nsutils.h"
@@ -497,7 +499,7 @@
 	regex_t *preg;
 	pid_t myself = getpid();
 	struct el *list = NULL;
-        long cmdlen = sysconf(_SC_ARG_MAX) * sizeof(char);
+        long cmdlen = CMDSTRSIZE;
 	char *cmdline = xmalloc(cmdlen);
 	char *cmdsearch = xmalloc(cmdlen);
 	char *cmdoutput = xmalloc(cmdlen);