diff --git a/swad_changelog.h b/swad_changelog.h
index 68a1f828b..5085ea706 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -600,13 +600,15 @@ TODO: Salvador Romero Cort
 
 TODO: FIX BUG, URGENT! En las fechas como parámetro Dat_WriteParamsIniEndDates(), por ejemplo al cambiar el color de la gráfica de accesos por día y hora, no se respeta la zona horaria.
 */
-#define Log_PLATFORM_VERSION	"SWAD 20.67.4 (2021-04-25)"
+#define Log_PLATFORM_VERSION	"SWAD 20.67.6 (2021-04-25)"
 #define CSS_FILE		"swad20.45.css"
 #define JS_FILE			"swad20.6.2.js"
 /*
 TODO: Rename CENTRE to CENTER in help wiki.
 TODO: Rename ASSESSMENT.Announcements to ASSESSMENT.Calls_for_exams
 
+	Version 20.67.6:  Apr 25, 2021  Fixed bug in surveys. (309672 lines)
+	Version 20.67.5:  Apr 25, 2021  Fixed bug in search of courses. (309671 lines)
 	Version 20.67.4:  Apr 25, 2021  New file extensions for LogicWorks, reported by Eva Martínez Ortigosa. (309670 lines)
 Copy the following icons to icon public directory:
 sudo cp icon/filext32x32/cct32x32.gif /var/www/html/swad/icon/filext32x32/
diff --git a/swad_search.c b/swad_search.c
index c63d6f68b..ea5958d26 100644
--- a/swad_search.c
+++ b/swad_search.c
@@ -644,7 +644,7 @@ static unsigned Sch_SearchCoursesInDB (const char *RangeQuery)
 		           "%s"
 		         " ORDER BY crs_courses.FullName,"
 				   "ins_instits.FullName,"
-				   "degrees.FullName,"
+				   "deg_degrees.FullName,"
 				   "crs_courses.Year",
 		         SearchQuery,RangeQuery);
 	 Crs_ListCrssFound (&mysql_res,NumCrss);
diff --git a/swad_survey.c b/swad_survey.c
index edbd9782b..ba0e74b20 100644
--- a/swad_survey.c
+++ b/swad_survey.c
@@ -1307,7 +1307,7 @@ void Svy_GetDataOfSurveyByCod (struct Svy_Survey *Svy)
       Svy->Status.Open = (row[8][0] == '1');
 
       /* Get the title of the survey (row[9]) */
-      Str_Copy (Svy->Title,row[9],strlen (Svy->Title) - 1);
+      Str_Copy (Svy->Title,row[9],sizeof (Svy->Title) - 1);
 
       /* Get number of questions and number of users who have already answer this survey */
       Svy->NumQsts = Svy_GetNumQstsSvy (Svy->SvyCod);