diff --git a/js/extensionPrefs/main.js b/js/extensionPrefs/main.js
index 552360080..9c5e3ecc0 100644
--- a/js/extensionPrefs/main.js
+++ b/js/extensionPrefs/main.js
@@ -285,8 +285,9 @@ var Application = GObject.registerClass({
                     log(`Failed to connect to shell proxy: ${e}`);
                     this._mainStack.add_named(new NoShellPlaceholder(), 'noshell');
                     this._mainStack.visible_child_name = 'noshell';
-                } else
+                } else {
                     throw e;
+                }
                 return;
             }
 
diff --git a/js/ui/layout.js b/js/ui/layout.js
index 17bda4778..4708710f4 100644
--- a/js/ui/layout.js
+++ b/js/ui/layout.js
@@ -1075,16 +1075,17 @@ var LayoutManager = GObject.registerClass({
                         side = Meta.Side.RIGHT;
                     else
                         continue;
-                } else if (x1 <= monitor.x)
+                } else if (x1 <= monitor.x) {
                     side = Meta.Side.LEFT;
-                else if (y1 <= monitor.y)
+                } else if (y1 <= monitor.y) {
                     side = Meta.Side.TOP;
-                else if (x2 >= monitor.x + monitor.width)
+                } else if (x2 >= monitor.x + monitor.width) {
                     side = Meta.Side.RIGHT;
-                else if (y2 >= monitor.y + monitor.height)
+                } else if (y2 >= monitor.y + monitor.height) {
                     side = Meta.Side.BOTTOM;
-                else
+                } else {
                     continue;
+                }
 
                 let strutRect = new Meta.Rectangle({ x: x1, y: y1, width: x2 - x1, height: y2 - y1 });
                 let strut = new Meta.Strut({ rect: strutRect, side: side });
diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index b66f3c5d1..eb0616706 100644
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -718,10 +718,11 @@ var PopupMenuBase = class {
                 this.disconnect(openStateChangeId);
                 menuItem.disconnect(destroyId);
             });
-        } else if (menuItem instanceof PopupBaseMenuItem)
+        } else if (menuItem instanceof PopupBaseMenuItem) {
             this._connectItemSignals(menuItem);
-        else
+        } else {
             throw TypeError("Invalid argument to PopupMenuBase.addMenuItem()");
+        }
 
         menuItem._setParent(this);
 
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 8d5db083b..297278849 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -630,9 +630,9 @@ var AppSwitchAction = GObject.registerClass({
         let nPoints = this.get_n_current_points();
         let event = this.get_last_event (nPoints - 1);
 
-        if (nPoints == 3)
+        if (nPoints == 3) {
             this._longPressStartTime = event.get_time();
-        else if (nPoints == 4) {
+        } else if (nPoints == 4) {
             // Check whether the 4th finger press happens after a 3-finger long press,
             // this only needs to be checked on the first 4th finger press
             if (this._longPressStartTime != null &&