diff --git a/services/web/install_deps.sh b/services/web/install_deps.sh
index 1dac1eb5b6..5ebf13c6bd 100755
--- a/services/web/install_deps.sh
+++ b/services/web/install_deps.sh
@@ -1,10 +1,9 @@
 #!/bin/bash
 
-WEBPACK_ENV=production make minify &
-make --no-print-directory format & 
-make --no-print-directory lint & 
-npm install git+https://github.com/sharelatex/translations-sharelatex.git#master &
-wait -n && wait -n && wait -n && wait -n 
+WEBPACK_ENV=production make minify
+make --no-print-directory format
+make --no-print-directory lint
+npm install git+https://github.com/sharelatex/translations-sharelatex.git#master
 
 chmod -R 0755 /app/public
 chown -R node:node /app/public
diff --git a/services/web/public/src/ide/file-tree/FileTreeManager.js b/services/web/public/src/ide/file-tree/FileTreeManager.js
index 116d136000..0c4e2fbe50 100644
--- a/services/web/public/src/ide/file-tree/FileTreeManager.js
+++ b/services/web/public/src/ide/file-tree/FileTreeManager.js
@@ -173,7 +173,7 @@ define([
       const entities = this.getMultiSelectedEntities()
       const paths = {}
       for (var entity of Array.from(entities)) {
-        paths["/" + this.getEntityPath(entity)] = entity
+        paths['/' + this.getEntityPath(entity)] = entity
       }
       const prefixes = {}
       for (var path in paths) {
@@ -188,7 +188,7 @@ define([
             asc ? i <= end : i >= end;
             asc ? i++ : i--
           ) {
-            prefixes["/" + parts.slice(0, i).join('/')] = true
+            prefixes['/' + parts.slice(0, i).join('/')] = true
           }
         }
       }