diff --git a/build/squire-raw.js b/build/squire-raw.js
index 95e053e..b439cf1 100644
--- a/build/squire-raw.js
+++ b/build/squire-raw.js
@@ -3919,6 +3919,7 @@ proto.increaseListLevel = function ( range ) {
         return this.focus();
     }
 
+    var root = this._root;
     var listSelection = getListSelection( range, root );
     if ( !listSelection ) {
         return this.focus();
@@ -3949,7 +3950,7 @@ proto.increaseListLevel = function ( range ) {
     } while ( ( startLi = next ) );
     next = newParent.nextSibling;
     if ( next ) {
-        mergeContainers( next, this._root );
+        mergeContainers( next, root );
     }
 
     // Restore selection
diff --git a/build/squire.js b/build/squire.js
index 9520516..89491ce 100644
--- a/build/squire.js
+++ b/build/squire.js
@@ -1,2 +1,2 @@
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null;for(o===n&&(o=o.childNodes[e.startOffset]),i===n&&(i=i.childNodes[e.endOffset]);o&&o.parentNode!==n;)o=o.parentNode;for(;i&&i.parentNode!==n;)i=i.parentNode;return[n,o,i]};fn.increaseListLevel=function(e){if(!e&&!(e=this.getSelection()))return this.focus();var t=On(e,root);if(!t)return this.focus();var n=t[0],o=t[1],i=t[2];if(!o||o===n.firstChild)return this.focus();this._recordUndoState(e,this._isInUndoState);var r,a,s=n.nodeName,d=o.previousSibling;d.nodeName!==s&&(r=this._config.tagAttributes[s.toLowerCase()],d=this.createElement(s,r),n.insertBefore(d,o));do a=o===i?null:o.nextSibling,d.appendChild(o);while(o=a);return a=d.nextSibling,a&&O(a,this._root),this._getRangeAndRemoveBookmark(e),this.setSelection(e),this._updatePath(e,!0),gt||this._docWasChanged(),this.focus()},fn.decreaseListLevel=function(e){if(!e&&!(e=this.getSelection()))return this.focus();var t=this._root,n=On(e,t);if(!n)return this.focus();var 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this.saveUndoState(d),this._lastSelection=d,R.call(this),this._updatePath(d,!0),this},fn.insertElement=function(e,t){if(t||(t=this.getSelection()),t.collapse(!0),a(e))Ot(t,e),t.setStartAfter(e);else{for(var n,o,i=this._root,r=It(t,i)||i;r!==i&&!r.nextSibling;)r=r.parentNode;r!==i&&(n=r.parentNode,o=b(n,r.nextSibling,i,i)),o?i.insertBefore(e,o):(i.appendChild(e),o=this.createDefaultBlock(),i.appendChild(o)),t.setStart(o,0),t.setEnd(o,0),Ut(t)}return this.focus(),this.setSelection(t),this._updatePath(t),gt||this._docWasChanged(),this},fn.insertImage=function(e,t){var n=this.createElement("IMG",B({src:e},t,!0));return this.insertElement(n),n};var An=/\b((?:(?:ht|f)tps?:\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,}\/)(?:[^\s()<>]+|\([^\s()<>]+\))+(?:\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))|([\w\-.%+]+@(?:[\w\-]+\.)+[A-Z]{2,}\b)/i,Bn=function(e,t,o){for(var i,r,a,s,d,l,c,h=e.ownerDocument,u=new 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this.changeFormat(null,{tag:"A"},this.getSelection(),!0),this.focus()},fn.setFontFace=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":V,style:"font-family: "+e+", sans-serif;"}}:null,{tag:"SPAN",attributes:{"class":V}}),this.focus()},fn.setFontSize=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":Y,style:"font-size: "+("number"==typeof e?e+"px":e)}}:null,{tag:"SPAN",attributes:{"class":Y}}),this.focus()},fn.setTextColour=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":Q,style:"color:"+e}}:null,{tag:"SPAN",attributes:{"class":Q}}),this.focus()},fn.setHighlightColour=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":$,style:"background-color:"+e}}:e,{tag:"SPAN",attributes:{"class":$}}),this.focus()},fn.setTextAlignment=function(e){return this.forEachBlock(function(t){var n=t.className.split(/\s+/).filter(function(e){return!!e&&!/^align/.test(e)}).join(" ");e?(t.className=n+" align-"+e,t.style.textAlign=e):(t.className=n,t.style.textAlign="")},!0),this.focus()},fn.setTextDirection=function(e){return this.forEachBlock(function(t){e?t.dir=e:t.removeAttribute("dir")},!0),this.focus()},fn.removeAllFormatting=function(e){if(!e&&!(e=this.getSelection())||e.collapsed)return this;for(var t=this._root,n=e.commonAncestorContainer;n&&!s(n);)n=n.parentNode;if(n||(Wt(e,t),n=t),n.nodeType===M)return this;this.saveUndoState(e),Pt(e,n,n,t);for(var o,i,r=n.ownerDocument,a=e.startContainer,d=e.startOffset,l=e.endContainer,c=e.endOffset,h=r.createDocumentFragment(),u=r.createDocumentFragment(),f=b(l,c,n,t),p=b(a,d,n,t);p!==f;)o=p.nextSibling,h.appendChild(p),p=o;return I(this,h,u),u.normalize(),p=u.firstChild,o=u.lastChild,i=n.childNodes,p?(n.insertBefore(u,f),d=_t.call(i,p),c=_t.call(i,o)+1):(d=_t.call(i,f),c=d),e.setStart(n,d),e.setEnd(n,c),L(n,e),Ut(e),this.setSelection(e),this._updatePath(e,!0),this.focus()},fn.increaseQuoteLevel=Rn("modifyBlocks",Tn),fn.decreaseQuoteLevel=Rn("modifyBlocks",yn),fn.makeUnorderedList=Rn("modifyBlocks",kn),fn.makeOrderedList=Rn("modifyBlocks",Ln),fn.removeList=Rn("modifyBlocks",xn),D.isInline=a,D.isBlock=s,D.isContainer=d,D.getBlockWalker=l,D.getPreviousBlock=c,D.getNextBlock=h,D.areAlike=f,D.hasTagAttributes=p,D.getNearest=g,D.isOrContains=m,D.detach=N,D.replaceWith=C,D.empty=S,D.getNodeBefore=Lt,D.getNodeAfter=xt,D.insertNodeInRange=Ot,D.extractContentsOfRange=At,D.deleteContentsOfRange=Bt,D.insertTreeFragmentIntoRange=Dt,D.isNodeContainedInRange=Rt,D.moveRangeBoundariesDownTree=Ut,D.moveRangeBoundariesUpTree=Pt,D.getStartBlockOfRange=It,D.getEndBlockOfRange=wt,D.contentWalker=Ft,D.rangeDoesStartAtBlockBoundary=Mt,D.rangeDoesEndAtBlockBoundary=Ht,D.expandRangeToBlockBoundaries=Wt,D.onPaste=hn,D.addLinks=Bn,D.splitBlock=Sn,D.startSelectionId=_n,D.endSelectionId=Nn,"object"==typeof exports?module.exports=D:"function"==typeof define&&define.amd?define(function(){return D}):(J.Squire=D,top!==J&&"true"===e.documentElement.getAttribute("data-squireinit")&&(J.editor=new D(e),J.onEditorLoad&&(J.onEditorLoad(J.editor),J.onEditorLoad=null)))}(document);
\ No newline at end of file
diff --git a/source/Editor.js b/source/Editor.js
index 3257c34..e91f061 100644
--- a/source/Editor.js
+++ b/source/Editor.js
@@ -1485,6 +1485,7 @@ proto.increaseListLevel = function ( range ) {
         return this.focus();
     }
 
+    var root = this._root;
     var listSelection = getListSelection( range, root );
     if ( !listSelection ) {
         return this.focus();
@@ -1515,7 +1516,7 @@ proto.increaseListLevel = function ( range ) {
     } while ( ( startLi = next ) );
     next = newParent.nextSibling;
     if ( next ) {
-        mergeContainers( next, this._root );
+        mergeContainers( next, root );
     }
 
     // Restore selection