diff --git a/swad_changelog.h b/swad_changelog.h
index 35516a6a6..2d7824dc7 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -360,10 +360,11 @@ En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
 
-#define Log_PLATFORM_VERSION	"SWAD 18.21.1 (2018-12-08)"
+#define Log_PLATFORM_VERSION	"SWAD 18.21.2 (2018-12-08)"
 #define CSS_FILE		"swad18.4.css"
 #define JS_FILE			"swad17.17.1.js"
 /*
+	Version 18.21.2:  Dec 08, 2018  Check icons replaced by HTML entities in listing of users. (237039 lines)
 	Version 18.21.1:  Dec 08, 2018  Some messages translated to Portuguese (still 464 messages to be translated). (237046 lines)
 	Version 18.21:    Dec 08, 2018  Code refactoring related to languages. (237098 lines)
 	Version 18.20.1:  Dec 08, 2018  Some messages translated to Portuguese. (237125 lines)
diff --git a/swad_course.c b/swad_course.c
index df10ede5e..5bb78b7c1 100644
--- a/swad_course.c
+++ b/swad_course.c
@@ -3307,19 +3307,14 @@ static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnA
    if (WriteColumnAccepted)
      {
       Accepted = (row[7][0] == 'Y');
-      fprintf (Gbl.F.Out,"<td class=\"BT %s\">"
-	                 "<img src=\"%s/%s16x16.gif\""
-	                 " alt=\"%s\" title=\"%s\""
-	                 " class=\"ICO20x20\" />"
+      fprintf (Gbl.F.Out,"<td class=\"BT %s\" title=\"%s\">"
+	                 "%s"
 	                 "</td>",
                BgColor,
-               Gbl.Prefs.IconsURL,
-               Accepted ? "ok_on" :
-        	          "tr",
                Accepted ? Txt_Enrolment_confirmed :
         	          Txt_Enrolment_not_confirmed,
-               Accepted ? Txt_Enrolment_confirmed :
-        	          Txt_Enrolment_not_confirmed);
+               Accepted ? "&check;" :
+        	          "&cross;");
      }
 
    /***** Write number of course in this search *****/
diff --git a/swad_user.c b/swad_user.c
index 089b3680a..5cac012be 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -3515,18 +3515,15 @@ void Usr_WriteRowUsrMainData (unsigned NumUsr,struct UsrData *UsrDat,
       fprintf (Gbl.F.Out,"BM_SEL");
    else
       fprintf (Gbl.F.Out,"BM%u",Gbl.RowEvenOdd);
-   fprintf (Gbl.F.Out,"\">"
-	              "<img src=\"%s/%s16x16.gif\""
-	              " alt=\"%s\" title=\"%s\""
-	              " class=\"ICO20x20\" />"
+   fprintf (Gbl.F.Out," %s\" title=\"%s\">"
+	              "%s"
 	              "</td>",
-            Gbl.Prefs.IconsURL,
-            UsrDat->Accepted ? "ok_on" :
-        	               "tr",
-            UsrDat->Accepted ? Txt_Enrolment_confirmed :
+            UsrDat->Accepted ? "USR_LIST_NUM_N" :
+        	               "USR_LIST_NUM",
+	    UsrDat->Accepted ? Txt_Enrolment_confirmed :
                                Txt_Enrolment_not_confirmed,
-            UsrDat->Accepted ? Txt_Enrolment_confirmed :
-                               Txt_Enrolment_not_confirmed);
+            UsrDat->Accepted ? "&check;" :
+        	               "&cross;");
 
    /***** Write number of user in the list *****/
    fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_MIDDLE %s\">"