diff --git a/admin/api/file.go b/admin/api/file.go
index b73058f1..a70dd9ba 100644
--- a/admin/api/file.go
+++ b/admin/api/file.go
@@ -15,6 +15,8 @@ func init() {
 	router.GET("/api/files/:fileid", apiHandler(fileHandler(showFile)))
 	router.PUT("/api/files/:fileid", apiHandler(fileHandler(updateFile)))
 	router.DELETE("/api/files/:fileid", apiHandler(fileHandler(deleteFile)))
+
+	router.POST("/api/files/:fileid/check", apiHandler(fileHandler(checkFile)))
 }
 
 func listFiles(_ httprouter.Params, body []byte) (interface{}, error) {
@@ -48,3 +50,7 @@ func updateFile(file fic.EFile, body []byte) (interface{}, error) {
 func deleteFile(file fic.EFile, _ []byte) (interface{}, error) {
 	return file.Delete()
 }
+
+func checkFile(file fic.EFile, _ []byte)  (interface{}, error) {
+	return true, file.CheckFileOnDisk()
+}
diff --git a/admin/static/js/app.js b/admin/static/js/app.js
index 14021e07..ec640c9b 100644
--- a/admin/static/js/app.js
+++ b/admin/static/js/app.js
@@ -695,6 +695,7 @@ angular.module("FICApp")
 
     .controller("FilesListController", function($scope, File, $location, $http, $rootScope) {
 	$scope.files = File.query();
+	$scope.errfnd = 0;
 	$scope.fields = ["id", "path", "name", "checksum", "size"];
 
 	$scope.clearFiles = function(id) {
@@ -704,17 +705,18 @@ angular.module("FICApp")
 	};
 	$scope.checksum = function(f) {
 	    $http({
-		url: "/api/files/" + f.id + "/checksum",
-		method: "GET"
+		url: "/api/files/" + f.id + "/check",
+		method: "POST"
 	    }).then(function(response) {
-		if (response.data)
-		    $rootScope.newBox('danger', response.data);
+		f.err = true;
 	    }, function(response) {
 		$scope.inSync = false;
-		$rootScope.newBox('danger', 'An error occurs when checking files:', response.data);
+		$scope.errfnd += 1;
+		f.err = response.data.errmsg;
 	    })
 	};
 	$scope.checksumAll = function() {
+	    $scope.errfnd = 0;
 	    angular.forEach($scope.files, function(file) {
 		$scope.checksum(file);
 	    });
diff --git a/admin/static/views/file-list.html b/admin/static/views/file-list.html
index cbfdc4de..92f6eb95 100644
--- a/admin/static/views/file-list.html
+++ b/admin/static/views/file-list.html
@@ -1,5 +1,6 @@
 <h2>
   Fichiers
+  <small class="text-muted" ng-if="errfnd > 0"><span class="glyphicon glyphicon-exclamation-sign"></span> <ng-pluralize count="errfnd" when="{'one': '{} erreur trouvée', 'other': '{} erreurs trouvées'}"></ng-pluralize></small>
   <button ng-click="checksumAll()" class="float-right btn btn-sm btn-secondary"><span class="glyphicon glyphicon-flash" aria-hidden="true"></span> Vérifier les fichiers</button>
 </h2>
 
@@ -13,9 +14,10 @@
     </tr>
   </thead>
   <tbody>
-    <tr ng-repeat="file in files | filter: query" ng-click="show(file)">
+    <tr ng-repeat="file in files | filter: query" ng-class="{'bg-danger': file.err !== undefined && file.err !== true}" ng-click="show(file)">
       <td ng-repeat="field in fields">
 	{{ file[field] }}
+	<span ng-if="field == 'id' && file.err !== undefined && file.err !== true" title="{{ file.err }}" class="glyphicon glyphicon-exclamation-sign"></span>
       </td>
     </tr>
   </tbody>
diff --git a/libfic/file.go b/libfic/file.go
index c17f8639..58ce4f98 100644
--- a/libfic/file.go
+++ b/libfic/file.go
@@ -261,3 +261,14 @@ func ClearFiles() (int64, error) {
 func (f EFile) GetOrigin() string {
 	return f.origin
 }
+
+// CheckFileOnDisk recalculates the hash of the file on disk.
+func (f EFile) CheckFileOnDisk() error {
+	if _, size, err := checkFileHash(path.Join(FilesDir, f.Path), f.Checksum); err != nil {
+		return err
+	} else if size == 0 {
+		return errors.New("Empty file!")
+	} else {
+		return nil
+	}
+}