diff --git a/admin/api/exercice.go b/admin/api/exercice.go
index 98b5c4d8..13429e29 100644
--- a/admin/api/exercice.go
+++ b/admin/api/exercice.go
@@ -52,6 +52,11 @@ func init() {
 	router.PUT("/api/exercices/:eid/tags", apiHandler(exerciceHandler(updateExerciceTags)))
 
 	// Synchronize
+	router.POST("/api/sync/themes/:thid/exercices/:eid", apiHandler(themedExerciceHandler(
+		func(theme fic.Theme, exercice fic.Exercice, _ []byte) (interface{}, error) {
+			_, _, errs := sync.SyncExercice(sync.GlobalImporter, theme, exercice.Path, nil)
+			return errs, nil
+		})))
 	router.POST("/api/sync/exercices/:eid/files", apiHandler(exerciceHandler(
 		func(exercice fic.Exercice, _ []byte) (interface{}, error) {
 			return sync.SyncExerciceFiles(sync.GlobalImporter, exercice), nil
diff --git a/admin/static/js/app.js b/admin/static/js/app.js
index 7dda9e7d..00fbace8 100644
--- a/admin/static/js/app.js
+++ b/admin/static/js/app.js
@@ -907,26 +907,12 @@ angular.module("FICApp")
 	    }
 	}
 	$scope.deleteTheme = function() {
-	    this.theme.$remove(function() { $location.url("/themes/");});
-	}
-	$scope.inSync = false;
-	$scope.syncExo = function() {
-	    $scope.inSync = true;
-	    $http({
-		url: "/api/sync/themes/" + $scope.theme.id + "/exercices",
-		method: "POST"
-	    }).then(function(response) {
-		$scope.inSync = false;
-		$scope.theme = Theme.get({ themeId: $routeParams.themeId });
-		if (response.data)
-		    $rootScope.newBox('warning', null, response.data, -1);
-		else
-		    $rootScope.newBox('success', 'Synchronisation de la liste des exercices terminée avec succès.');
+	    this.theme.$remove(function() {
+		$location.url("/themes/");
 	    }, function(response) {
-		$scope.inSync = false;
-		$rootScope.newBox('danger', 'An error occurs when synchrinizing exercices:', response.data);
+		$rootScope.newBox('danger', 'An error occurs when trying to delete theme:', response.data.errmsg);
 	    });
-	};
+	}
     })
 
     .controller("AllExercicesListController", function($scope, Exercice, $routeParams, $location, $rootScope, $http, $filter) {
@@ -995,15 +981,34 @@ angular.module("FICApp")
 	$scope.syncHints = true;
 	$scope.syncFlags = true;
     })
-    .controller("ExercicesListController", function($scope, ThemedExercice, $routeParams, $location) {
+    .controller("ExercicesListController", function($scope, ThemedExercice, $routeParams, $location, $rootScope, $http) {
 	$scope.exercices = ThemedExercice.query({ themeId: $routeParams.themeId });
 	$scope.fields = ["title", "statement", "overview", "videoURI"];
 
 	$scope.show = function(id) {
 	    $location.url("/themes/" + $routeParams.themeId + "/exercices/" + id);
 	};
+
+	$scope.inSync = false;
+	$scope.syncExo = function() {
+	    $scope.inSync = true;
+	    $http({
+		url: "/api/sync/themes/" + $scope.theme.id + "/exercices",
+		method: "POST"
+	    }).then(function(response) {
+		$scope.inSync = false;
+		$scope.exercices = ThemedExercice.query({ themeId: $routeParams.themeId });
+		if (response.data)
+		    $rootScope.newBox('warning', null, response.data, -1);
+		else
+		    $rootScope.newBox('success', 'Synchronisation de la liste des exercices terminée avec succès.');
+	    }, function(response) {
+		$scope.inSync = false;
+		$rootScope.newBox('danger', 'An error occurs when synchrinizing exercices:', response.data.errmsg);
+	    });
+	};
     })
-    .controller("ExerciceController", function($scope, Exercice, ThemedExercice, $routeParams, $location) {
+    .controller("ExerciceController", function($scope, $rootScope, Exercice, ThemedExercice, $routeParams, $location, $http) {
 	if ($routeParams.themeId && $routeParams.exerciceId == "new") {
 	    $scope.exercice = new ThemedExercice();
 	} else {
@@ -1037,18 +1042,46 @@ angular.module("FICApp")
 	    $scope.showQuizz = val || !$scope.showQuizz;
 	}
 
+	$scope.inSync = false;
+	$scope.syncExo = function() {
+	    $scope.inSync = true;
+	    $http({
+		url: "/api/sync/themes/" + $routeParams.themeId + "/exercices/" + $routeParams.exerciceId,
+		method: "POST"
+	    }).then(function(response) {
+		$scope.inSync = false;
+		$scope.exercice = Exercice.get({ exerciceId: $routeParams.exerciceId });
+		if (response.data)
+		    $rootScope.newBox('danger', response.data);
+		else
+		    $rootScope.newBox('success', "Synchronisation de l'exercice terminée avec succès.");
+	    }, function(response) {
+		$scope.inSync = false;
+		$rootScope.newBox('danger', 'An error occurs when synchronizing exercice:', response.data.errmsg);
+	    });
+	};
+
+	$scope.deleteExercice = function() {
+	    this.exercice.$remove(function() {
+		$location.url("/themes/" + $routeParams.themeId);
+	    }, function(response) {
+		    $rootScope.newBox('danger', 'An error occurs when trying to delete exercice:', response.data);
+		});
+	}
 	$scope.saveExercice = function() {
 	    if (this.exercice.id) {
 		this.exercice.$update();
 	    } else if ($routeParams.themeId) {
 		this.exercice.$save({ themeId: $routeParams.themeId }, function() {
 		    $location.url("/themes/" + $scope.exercice.idTheme + "/exercices/" + $scope.exercice.id);
+		}, function(response) {
+		    $rootScope.newBox('danger', 'An error occurs when trying to save exercice:', response.data.errmsg);
 		});
 	    }
 	}
     })
 
-    .controller("ExerciceTagsController", function($scope, ExerciceTags, $routeParams, $rootScope, $http) {
+    .controller("ExerciceTagsController", function($scope, ExerciceTags, $routeParams, $rootScope) {
 	$scope.tags = ExerciceTags.query({ exerciceId: $routeParams.exerciceId });
 
 	$scope.addTag = function() {
@@ -1091,7 +1124,7 @@ angular.module("FICApp")
 		    $rootScope.newBox('success', "Synchronisation de la liste de fichiers terminée avec succès.");
 	    }, function(response) {
 		$scope.inSync = false;
-		$rootScope.newBox('danger', 'An error occurs when synchronizing flags list:', response.data);
+		$rootScope.newBox('danger', 'An error occurs when synchronizing flags list:', response.data.errmsg);
 	    });
 	};
     })
@@ -1178,7 +1211,7 @@ angular.module("FICApp")
 	};
     })
 
-    .controller("ExerciceMCQFlagsController", function($scope, ExerciceMCQFlag, $routeParams, $rootScope, $http) {
+    .controller("ExerciceMCQFlagsController", function($scope, ExerciceMCQFlag, $routeParams, $rootScope) {
 	$scope.quiz = ExerciceMCQFlag.query({ exerciceId: $routeParams.exerciceId });
 
 	$scope.addQuiz = function() {
diff --git a/admin/static/views/exercice.html b/admin/static/views/exercice.html
index 67221231..2846d977 100644
--- a/admin/static/views/exercice.html
+++ b/admin/static/views/exercice.html
@@ -1,4 +1,7 @@
-<h2>{{exercice.title}}</h2>
+<h2>
+  {{exercice.title}}
+  <button type="button" ng-click="syncExo()" ng-class="{'disabled': inSync}" class="float-right btn btn-sm btn-light"><span class="glyphicon glyphicon-refresh" aria-hidden="true"></span> Synchroniser</button>
+</h2>
 
 <div class="row mb-5">