diff --git a/services/web/Gruntfile.coffee b/services/web/Gruntfile.coffee
index a0000360b3..2b8cc27421 100644
--- a/services/web/Gruntfile.coffee
+++ b/services/web/Gruntfile.coffee
@@ -150,6 +150,8 @@ module.exports = (grunt) ->
 					sourceMap: true
 					sourceMapFilename: "public/stylesheets/style.css.map"
 					sourceMapBasepath: "public/stylesheets"
+					globalVars:
+						'is-overleaf': false
 				files:
 					"public/stylesheets/style.css": "public/stylesheets/style.less"
 			ol:
@@ -157,6 +159,8 @@ module.exports = (grunt) ->
 					sourceMap: true
 					sourceMapFilename: "public/stylesheets/ol-style.css.map"
 					sourceMapBasepath: "public/stylesheets"
+					globalVars:
+						'is-overleaf': true
 				files:
 					"public/stylesheets/ol-style.css": "public/stylesheets/ol-style.less"
 
diff --git a/services/web/public/stylesheets/core/_common-variables.less b/services/web/public/stylesheets/core/_common-variables.less
index 8b666e7b58..fdd53a4528 100644
--- a/services/web/public/stylesheets/core/_common-variables.less
+++ b/services/web/public/stylesheets/core/_common-variables.less
@@ -799,7 +799,6 @@
 
 
 // Custom
-@is-overleaf   : false;
 @header-height : 68px;
 @footer-height : 50px;
 
diff --git a/services/web/public/stylesheets/core/ol-variables.less b/services/web/public/stylesheets/core/ol-variables.less
index 53f4491aa1..82d930cc72 100644
--- a/services/web/public/stylesheets/core/ol-variables.less
+++ b/services/web/public/stylesheets/core/ol-variables.less
@@ -1,7 +1,5 @@
 @import "./_common-variables.less";
 
-@is-overleaf: true;
-
 @font-family-sans-serif: "Lato", sans-serif;
 
 @header-height: 68px;