diff --git a/NEWS b/NEWS
index 4265d11f6540c22b83331ec137bea623daed92a9..60218fd925a42cf3db43f55b723d10aad2bc32fa 100644
--- a/NEWS
+++ b/NEWS
@@ -17,7 +17,8 @@ documents those changes that are of interest to users and admins.
     processor count although the memory and disk space configuration can
     be loaded from the compute node when it starts.
  -- Add configure option "--disable-iso8601" to disable SLURM use of ISO 8601
-    time format at the time of SLURM build.
+    time format at the time of SLURM build. Default output for all commands
+    is now ISO 8601 (yyyy-mm-ddThh:mm:ss).
 
 * Changes in SLURM 1.4.0-pre6
 =============================
diff --git a/src/common/parse_time.c b/src/common/parse_time.c
index 879c8d1f0aa9ec8870746153fa0df8f5d7f2b782..114e56153fd3df8dd54171a4094911b7a7e68717 100644
--- a/src/common/parse_time.c
+++ b/src/common/parse_time.c
@@ -35,6 +35,10 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
 \*****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
 #include <stdio.h>
 #include <time.h>
 #include <strings.h>
@@ -448,7 +452,7 @@ slurm_make_time_str (time_t *time, char *string, int size)
 	if ( *time == (time_t) 0 ) {
 		snprintf(string, size, "Unknown");
 	} else {
-#ifdef ISO8601
+#ifdef USE_ISO_8601
 		/* Format YYYY-MM-DDTHH:MM:SS, ISO8601 standard format,
 		 * NOTE: This is expected to break Maui, Moab and LSF
 		 * schedulers management of SLURM. */