diff --git a/public_html/js/Controls/TagInput.js b/public_html/js/Controls/TagInput.js
index 1d06598b..09f45623 100644
--- a/public_html/js/Controls/TagInput.js
+++ b/public_html/js/Controls/TagInput.js
@@ -21,8 +21,11 @@ App.Controls.TagInput = function(
 		inputConfirmed: null,
 	};
 
-	if ($underlyingInput.length !== 1) {
-		throw new Error('Cannot set tag input to more than one elements at once');
+	if ($underlyingInput.length === 0) {
+		throw new Error('Tag input element was not found');
+	}
+	if ($underlyingInput.length > 1) {
+		throw new Error('Cannot set tag input to more than one element at once');
 	}
 	if ($underlyingInput.attr('data-tagged')) {
 		throw new Error('Tag input was already initialized for this element');
diff --git a/public_html/js/Presenters/PostPresenter.js b/public_html/js/Presenters/PostPresenter.js
index fa0b5912..287452a1 100644
--- a/public_html/js/Presenters/PostPresenter.js
+++ b/public_html/js/Presenters/PostPresenter.js
@@ -73,8 +73,10 @@ App.Presenters.PostPresenter = function(
 		$el.html(renderPostTemplate());
 		$messages = $el.find('.messages');
 
-		tagInput = App.Controls.TagInput($el.find('form [name=tags]'), _, jQuery);
-		tagInput.inputConfirmed = editPost;
+		if (editPrivileges.canChangeTags) {
+			tagInput = App.Controls.TagInput($el.find('form [name=tags]'), _, jQuery);
+			tagInput.inputConfirmed = editPost;
+		}
 
 		postContentFileDropper = new App.Controls.FileDropper($el.find('form [name=content]'), _, jQuery);
 		postContentFileDropper.onChange = postContentChanged;
@@ -83,10 +85,11 @@ App.Presenters.PostPresenter = function(
 		postThumbnailFileDropper.onChange = postThumbnailChanged;
 		postThumbnailFileDropper.setNames = true;
 
-		keyboard.keyup('e', function() {
-			editButtonClicked(null);
-		});
-
+		if (_.any(editPrivileges)) {
+			keyboard.keyup('e', function() {
+				editButtonClicked(null);
+			});
+		}
 
 		$el.find('.post-edit-wrapper form').submit(editFormSubmitted);
 		$el.find('.delete').click(deleteButtonClicked);