diff -r cf91a3a20d0d -r 7b134c27fadb main/task_sdcard.h
--- a/main/task_sdcard.h	Sun May 19 21:05:07 2019 +0200
+++ b/main/task_sdcard.h	Mon Jul 01 23:15:49 2019 +0200
@@ -38,7 +38,7 @@
  * @brief JSON log data
  */
 typedef struct {
-    char	time[9];		///< Time in the brew.
+    char	time[12];		///< Time in the brew.
     float	mlt_sp;			///< MLT setpoint.
     float	mlt_pv;			///< MLT temperature.
     int		mlt_power;		///< MLT power in %