diff --git a/swad_changelog.h b/swad_changelog.h
index c7fd679a8..8cd89eb60 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -191,13 +191,14 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.119.1 (2017-01-17)"
+#define Log_PLATFORM_VERSION	"SWAD 16.119.2 (2017-01-17)"
 #define CSS_FILE		"swad16.119.css"
 #define JS_FILE			"swad16.119.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.119.2: Jan 17, 2017	Fixed bug in web service related to attendance. (211879 lines)
         Version 16.119.1: Jan 17, 2017	Fixed bug in attendance. (211877 lines)
         Version 16.119:   Jan 17, 2017	Changes in layout of current data and time.
 					Fixed bug in attendance, reported by Javier Fernández Baldomero. (211874 lines)
diff --git a/swad_web_service.c b/swad_web_service.c
index 5419358d4..fa800bf56 100644
--- a/swad_web_service.c
+++ b/swad_web_service.c
@@ -2242,6 +2242,7 @@ static void Svc_GetListGrpsInAttendanceEventFromDB (long AttCod,char **ListGroup
      {
       Length = NumGrps * (10 + 1) - 1;
       *ListGroups = soap_malloc (Gbl.soap,Length + 1);
+      (*ListGroups)[0] = '\0';
 
       for (NumGrp = 0;
 	   NumGrp < NumGrps;