diff --git a/swad_changelog.h b/swad_changelog.h
index bd3a9e93a..734ad374e 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -189,13 +189,14 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.111.6 (2016-12-28)"
+#define Log_PLATFORM_VERSION	"SWAD 16.111.7 (2016-12-28)"
 #define CSS_FILE		"swad16.111.5.css"
 #define JS_FILE			"swad16.101.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 16.111.7: Dec 28, 2016	Fixed minor bug in groups, reported by Coverity. (211114 lines)
         Version 16.111.6: Dec 28, 2016	Fixed bug in assigments, reported by Coverity. (211109 lines)
         Version 16.111.5: Dec 28, 2016	Changes in CSS related to tabs. (211084 lines)
         Version 16.111.4: Dec 28, 2016	Fixed bug in file browser. (211336 lines)
diff --git a/swad_group.c b/swad_group.c
index 6e7156ddc..dc8812bd7 100644
--- a/swad_group.c
+++ b/swad_group.c
@@ -527,6 +527,8 @@ void Grp_ChangeMyGrps (void)
    Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
 
    /***** Get the group codes which I want to join to *****/
+   LstGrpsIWant.NumGrps = 0;	// Initialized to avoid bug reported by Coverity
+   LstGrpsIWant.GrpCod = NULL;	// Initialized to avoid bug reported by Coverity
    Grp_GetLstCodsGrpWanted (&LstGrpsIWant);
 
    /***** A student can not be enrolled in more than one group
@@ -575,6 +577,8 @@ void Grp_ChangeOtherUsrGrps (void)
    Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
 
    /***** Get the list of groups to which register this user *****/
+   LstGrpsUsrWants.NumGrps = 0;		// Initialized to avoid bug reported by Coverity
+   LstGrpsUsrWants.GrpCod = NULL;	// Initialized to avoid bug reported by Coverity
    Grp_GetLstCodsGrpWanted (&LstGrpsUsrWants);
 
    /***** A student can not be enrolled in more than one group