diff --git a/src/common/env.c b/src/common/env.c
index 987846d..73d3b3b 100644
--- a/src/common/env.c
+++ b/src/common/env.c
@@ -1941,7 +1941,7 @@ char **env_array_user_default(const char *username, int timeout, int mode,
 	char **env = NULL;
 	char *starttoken = "XXXXSLURMSTARTPARSINGHEREXXXX";
 	char *stoptoken  = "XXXXSLURMSTOPPARSINGHEREXXXXX";
-	char cmdstr[256], *env_loc = NULL;
+	char cmdstr[MAXPATHLEN], *env_loc = NULL;
 	char *stepd_path = NULL;
 	int fd1, fd2, fildes[2], found, fval, len, rc, timeleft;
 	int buf_read, buf_rem, config_timeout;
