diff --git a/src/theme-base/js/theme.js b/src/theme-base/js/theme.js
index 5e305d744f4..cc0f1994160 100644
--- a/src/theme-base/js/theme.js
+++ b/src/theme-base/js/theme.js
@@ -287,7 +287,7 @@
 								node = nodes[len];
 								// Fix the top corners
 								node2 = node.getElementsByTagName('li')[0];
-								if (node2.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
+								if (node2.parentNode.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
 									node2.className += ' ui-corner-top';
 								}
 
diff --git a/src/theme-gcwu-fegc/js/theme.js b/src/theme-gcwu-fegc/js/theme.js
index 9a6774f4ea4..10a89bf323e 100644
--- a/src/theme-gcwu-fegc/js/theme.js
+++ b/src/theme-gcwu-fegc/js/theme.js
@@ -370,7 +370,7 @@
 								node = nodes[len];
 								// Fix the top corners
 								node2 = node.getElementsByTagName('li')[0];
-								if (node2.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
+								if (node2.parentNode.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
 									node2.className += ' ui-corner-top';
 								}
 
diff --git a/src/theme-gcwu-intranet/js/theme.js b/src/theme-gcwu-intranet/js/theme.js
index 0af2af8b44d..4970c2879e5 100644
--- a/src/theme-gcwu-intranet/js/theme.js
+++ b/src/theme-gcwu-intranet/js/theme.js
@@ -361,7 +361,7 @@
 								node = nodes[len];
 								// Fix the top corners
 								node2 = node.getElementsByTagName('li')[0];
-								if (node2.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
+								if (node2.parentNode.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
 									node2.className += ' ui-corner-top';
 								}
 
diff --git a/src/theme-wet-boew/js/theme.js b/src/theme-wet-boew/js/theme.js
index 51ecbe6367b..afb9e8a6916 100644
--- a/src/theme-wet-boew/js/theme.js
+++ b/src/theme-wet-boew/js/theme.js
@@ -317,7 +317,7 @@
 								node = nodes[len];
 								// Fix the top corners
 								node2 = node.getElementsByTagName('li')[0];
-								if (node2.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
+								if (node2.parentNode.parentNode.parentNode.className.indexOf('ui-collapsible') === -1 && node2.className.indexOf('ui-corner-top') === -1) {
 									node2.className += ' ui-corner-top';
 								}