diff --git a/ide/che-core-orion-editor/src/main/resources/org/eclipse/che/ide/editor/orion/client/orion-codenvy-theme.css b/ide/che-core-orion-editor/src/main/resources/org/eclipse/che/ide/editor/orion/client/orion-codenvy-theme.css
index 197053e702d..4ad941c6d7e 100644
--- a/ide/che-core-orion-editor/src/main/resources/org/eclipse/che/ide/editor/orion/client/orion-codenvy-theme.css
+++ b/ide/che-core-orion-editor/src/main/resources/org/eclipse/che/ide/editor/orion/client/orion-codenvy-theme.css
@@ -134,7 +134,7 @@
     margin-left: 0px;
     border: 1px solid rgba(188, 195, 199, 0.2);
     position: absolute;
-    width: literal(calc(100% - 0px));
+    width: literal("calc(100% - 0px)");
     border-radius: 3px;
     z-index: 100;
     box-sizing: border-box;