diff --git a/swad_changelog.h b/swad_changelog.h
index b5bd997da..97d5deb41 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -556,7 +556,7 @@ enscript -2 --landscape --color --file-align=2 --highlight --line-numbers -o - *
 En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
-#define Log_PLATFORM_VERSION	"SWAD 19.249 (2020-06-17)"
+#define Log_PLATFORM_VERSION	"SWAD 19.249.1 (2020-06-17)"
 #define CSS_FILE		"swad19.238.2.css"
 #define JS_FILE			"swad19.246.1.js"
 /*
@@ -564,6 +564,7 @@ TODO:  Encarnaci
        Se trataría de añadir un par de líneas "Nuevos archivos en actividades", "Nuevos archivos en otros trabajos".
 TODO: Fix bug: Cuando se pulsa en ver fichas, y luego en una ficha en "Ver trabajos" o "Ver exámenes", o lo que sea, sale dos veces ese estudiante.
 
+	Version 19.249.1: Jun 17, 2020  Fixed bug removing a course. Reported by Raymon Moreno Colina. (302789 lines)
 	Version 19.249:   Jun 17, 2020  Fixed bug in exams and matches.
 					Code refactoring in test questions. (302786 lines)
 	Version 19.248.4: May 30, 2020  Code refactoring in selection of questions. (302867 lines)
diff --git a/swad_exam.c b/swad_exam.c
index 3b02b99f7..bf70933d5 100644
--- a/swad_exam.c
+++ b/swad_exam.c
@@ -1266,8 +1266,9 @@ static void Exa_RemoveAllMedFilesFromStemOfAllQstsInCrs (long CrsCod)
    NumMedia =
    (unsigned) DB_QuerySELECT (&mysql_res,"can not get media",
 			      "SELECT exa_set_questions.MedCod"	// row[0]
-			      " FROM exa_sets,exa_set_questions"
-			      " WHERE exa_sets.CrsCod=%ld"
+			      " FROM exa_exams,exa_sets,exa_set_questions"
+			      " WHERE exa_exams.CrsCod=%ld"
+                              " AND exa_exams.ExaCod=exa_sets.ExaCod"
                               " AND exa_sets.SetCod=exa_set_questions.SetCod",
 			      CrsCod);
 
@@ -1291,8 +1292,9 @@ static void Exa_RemoveAllMedFilesFromAnsOfAllQstsInCrs (long CrsCod)
    NumMedia =
    (unsigned) DB_QuerySELECT (&mysql_res,"can not get media",
 			      "SELECT exa_set_answers.MedCod"	// row[0]
-			      " FROM exa_sets,exa_set_questions,exa_set_answers"
-			      " WHERE exa_sets.CrsCod=%ld"
+			      " FROM exa_exams,exa_sets,exa_set_questions,exa_set_answers"
+			      " WHERE exa_exams.CrsCod=%ld"
+                              " AND exa_exams.ExaCod=exa_sets.ExaCod"
                               " AND exa_sets.SetCod=exa_set_questions.SetCod"
 			      " AND exa_set_questions.QstCod=exa_set_answers.QstCod",
 			      CrsCod);