diff --git a/lesscpy/plib/identifier.py b/lesscpy/plib/identifier.py
index b698a62..3851480 100644
--- a/lesscpy/plib/identifier.py
+++ b/lesscpy/plib/identifier.py
@@ -110,6 +110,8 @@ class Identifier(Node):
         if any((n for n in name if n == '&')):
             for n in name:
                 if n == '&':
+                    if parsed[-1].endswith(']'):
+                        parsed.extend(' ')
                     if parent[-1] == ' ':
                         parent.pop()
                     parsed.extend(parent)
diff --git a/lesscpy/test/css/ws.css b/lesscpy/test/css/ws.css
index 5f699bd..9d897dd 100644
--- a/lesscpy/test/css/ws.css
+++ b/lesscpy/test/css/ws.css
@@ -40,3 +40,6 @@
 @font-face {
 	src: url('x') format('e'), url('r') format('s');
 }
+fieldset[disabled] .form-control {
+	cursor: not-allowed;
+}
diff --git a/lesscpy/test/css/ws.min.css b/lesscpy/test/css/ws.min.css
index 8c1dd5f..981c99c 100644
--- a/lesscpy/test/css/ws.min.css
+++ b/lesscpy/test/css/ws.min.css
@@ -10,3 +10,4 @@
 .no_final_semi1{color:yellow;color:white;}
 @media all{html{padding:src('no semi in media block');}}
 @font-face{src:url('x') format('e'),url('r') format('s');}
+fieldset[disabled] .form-control{cursor:not-allowed;}
diff --git a/lesscpy/test/less/ws.less b/lesscpy/test/less/ws.less
index d95dfa8..54f839d 100644
--- a/lesscpy/test/less/ws.less
+++ b/lesscpy/test/less/ws.less
@@ -61,3 +61,8 @@ color:                            yellow;
   src: url('x') format('e'),
        url('r') format('s');
 }
+.form-control {
+  fieldset[disabled] & {
+    cursor: not-allowed;
+  }
+}