diff --git a/swad_changelog.h b/swad_changelog.h
index 36f6dd72..d3cba3cd 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -602,13 +602,14 @@ TODO: FIX BUG, URGENT! En las fechas como par
 
 TODO: En las encuestas, que los estudiantes no puedan ver los resultados hasta que no finalice el plazo.
 */
-#define Log_PLATFORM_VERSION	"SWAD 21.52 (2021-11-05)"
+#define Log_PLATFORM_VERSION	"SWAD 21.52.1 (2021-11-06)"
 #define CSS_FILE		"swad20.45.css"
 #define JS_FILE			"swad20.69.1.js"
 /*
 TODO: Rename CENTRE to CENTER in help wiki.
 TODO: Rename ASSESSMENT.Announcements to ASSESSMENT.Calls_for_exams
 
+	Version 21.52.1:  Nov 06, 2021  Fixed database query in departments. (321828 lines)
 	Version 21.52:    Nov 05, 2021  Changed SELECT COUNT to SELECT EXISTS in some queries. (321833 lines)
 	Version 21.51:    Nov 04, 2021  Eliminated the limit of origin courses in messages. (321735 lines)
 	Version 21.50.1:  Nov 03, 2021  Queries moved to module swad_user_database and other modules. (321759 lines)
diff --git a/swad_department.c b/swad_department.c
index 7a3919ca..354148aa 100644
--- a/swad_department.c
+++ b/swad_department.c
@@ -984,12 +984,7 @@ unsigned Dpt_GetNumDptsInIns (long InsCod)
 
    /***** 3. Slow: number of departments of an institution from database *****/
    Gbl.Cache.NumDptsInIns.InsCod  = InsCod;
-   Gbl.Cache.NumDptsInIns.NumDpts = (unsigned)
-   DB_QueryCOUNT ("can not get number of departments in an institution",
-		  "SELECT COUNT(*)"
-		   " FROM dpt_departments"
-		  " WHERE InsCod=%ld",
-		  InsCod);
+   Gbl.Cache.NumDptsInIns.NumDpts = Dpt_DB_GetNumDepartmentsInInstitution (InsCod);
    return Gbl.Cache.NumDptsInIns.NumDpts;
   }
 
diff --git a/swad_department_database.c b/swad_department_database.c
index 83d84dae..60ea6869 100644
--- a/swad_department_database.c
+++ b/swad_department_database.c
@@ -181,7 +181,6 @@ bool Dpt_DB_CheckIfDepartmentNameExists (const char *FieldName,const char *Name,
 
 unsigned Dpt_DB_GetNumDepartmentsInInstitution (long InsCod)
   {
-   /***** Get number of departments in an institution from database *****/
    return (unsigned)
    DB_QueryCOUNT ("can not get number of departments in an institution",
 		  "SELECT COUNT(*)"
diff --git a/swad_institution_config.c b/swad_institution_config.c
index fd3ef707..b24b573c 100644
--- a/swad_institution_config.c
+++ b/swad_institution_config.c
@@ -502,7 +502,7 @@ static void InsCfg_NumDpts (void)
 
       /* Data */
       HTM_TD_Begin ("class=\"DAT LB\"");
-	 HTM_Unsigned (Dpt_DB_GetNumDepartmentsInInstitution (Gbl.Hierarchy.Ins.InsCod));
+	 HTM_Unsigned (Dpt_GetNumDptsInIns (Gbl.Hierarchy.Ins.InsCod));
       HTM_TD_End ();
 
    HTM_TR_End ();