diff --git a/swad_changelog.h b/swad_changelog.h
index 132982290..08a06ebdd 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -487,12 +487,13 @@ enscript -2 --landscape --color --file-align=2 --highlight --line-numbers -o - *
 En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
-#define Log_PLATFORM_VERSION	"SWAD 19.31.1 (2019-10-04)"
+#define Log_PLATFORM_VERSION	"SWAD 19.31.2 (2019-10-04)"
 #define CSS_FILE		"swad19.29.css"
 #define JS_FILE			"swad19.30.js"
 /*
 // TODO: Perico: poner un candado de bloqueo de creación/edición de proyectos (por ejemplo en asignaturas obsoletas)
 
+	Version 19.31.2:  Oct 04, 2019	Fixed bug while removing the matches of a course, reported by Pedro A. García Sánchez. (? lines)
 	Version 19.31.1:  Oct 04, 2019	Code refactoring in HTML tables. (247035 lines)
 	Version 19.31  :  Oct 04, 2019	Code refactoring in HTML tables. (246967 lines)
 	Version 19.30.6:  Oct 03, 2019	Code refactoring in HTML tables. (246928 lines)
diff --git a/swad_match.c b/swad_match.c
index e40817be9..ddd946b05 100644
--- a/swad_match.c
+++ b/swad_match.c
@@ -1051,8 +1051,8 @@ void Mch_RemoveMatchInCourseFromAllTables (long CrsCod)
    Mch_RemoveMatchInCourseFromTable (CrsCod,"mch_indexes");
 
    /***** Remove matches from main table *****/
-   DB_QueryDELETE ("can not remove matches of a course from table",
-		   "DELETE FROM %s"
+   DB_QueryDELETE ("can not remove matches of a course",
+		   "DELETE FROM mch_matches"
 		   " USING gam_games,mch_matches"
 		   " WHERE gam_games.CrsCod=%ld"
 		   " AND gam_games.GamCod=mch_matches.GamCod",