diff --git a/bibtex-completion.el b/bibtex-completion.el
index f5e7009..3732c34 100644
--- a/bibtex-completion.el
+++ b/bibtex-completion.el
@@ -199,6 +199,11 @@ This should be a single character."
   :group 'bibtex-completion
   :type 'string)
 
+(defcustom bibtex-completion-replace-tex nil
+  "Make use of parsebib's ability to parse TeX and replace it by unicode characters."
+  :group 'bibtex-completion
+  :type 'boolean)
+
 (defcustom bibtex-completion-fallback-options
   '(("CrossRef                                  (biblio.el)"
      . (lambda (search-expression) (biblio-lookup #'biblio-crossref-backend search-expression)))
@@ -676,25 +681,28 @@ Also do some preprocessing of the entries.
 
 If HT-STRINGS is provided it is assumed to be a hash table."
   (goto-char (point-min))
-  (cl-loop
-   with fields = (append '("title" "crossref")
-                         (-map (lambda (it) (if (symbolp it) (symbol-name it) it))
-                               bibtex-completion-additional-search-fields))
-   for entry-type = (parsebib-find-next-item)
-   while entry-type
-   unless (member-ignore-case entry-type '("preamble" "string" "comment"))
-   collect (let* ((entry (parsebib-read-entry entry-type (point) ht-strings))
-                  (fields (append
-                           (list (if (assoc-string "author" entry 'case-fold)
-                                     "author"
-                                   "editor")
-                                 (if (assoc-string "date" entry 'case-fold)
-                                     "date"
-                                   "year"))
-                           fields)))
-             (-map (lambda (it)
-                     (cons (downcase (car it)) (cdr it)))
-                   (bibtex-completion-prepare-entry entry fields)))))
+  (cl-letf (((symbol-function 'parsebib--convert-tex-italics) (lambda (str) str))
+            ((symbol-function 'parsebib--convert-tex-bold) (lambda (str) str)))
+    (cl-loop
+     with fields = (append '("title" "crossref")
+                           (-map (lambda (it) (if (symbolp it) (symbol-name it) it))
+                                 bibtex-completion-additional-search-fields))
+     for entry-type = (parsebib-find-next-item)
+     while entry-type
+     unless (member-ignore-case entry-type '("preamble" "string" "comment"))
+     collect (let* ((entry (parsebib-read-entry entry-type (point) ht-strings nil
+                                                bibtex-completion-replace-tex))
+                    (fields (append
+                             (list (if (assoc-string "author" entry 'case-fold)
+                                       "author"
+                                     "editor")
+                                   (if (assoc-string "date" entry 'case-fold)
+                                       "date"
+                                     "year"))
+                             fields)))
+               (-map (lambda (it)
+                       (cons (downcase (car it)) (cdr it)))
+                     (bibtex-completion-prepare-entry entry fields))))))
 
 (defun bibtex-completion-get-entry (entry-key)
   "Given a BibTeX key this function scans all bibliographies listed in `bibtex-completion-bibliography' and returns an alist of the record with that key.
diff --git a/helm-bibtex.el b/helm-bibtex.el
index 10b1afb..0bcbbd5 100644
--- a/helm-bibtex.el
+++ b/helm-bibtex.el
@@ -174,12 +174,18 @@ comes out in the right buffer."
 
 ;; Helm sources:
 
+(defcustom helm-bibtex-ignore-diacritics nil
+  "Ignore diacritics when searching."
+  :group 'bibtex-completion
+  :type 'boolean)
+
 (defvar helm-source-bibtex
   (helm-build-sync-source "BibTeX entries"
     :header-name (lambda (name)
                    (format "%s%s: " name (if helm-bibtex-local-bib " (local)" "")))
     :candidates 'helm-bibtex-candidates
     :filtered-candidate-transformer 'helm-bibtex-candidates-formatter
+    :diacritics helm-bibtex-ignore-diacritics
     :action (helm-make-actions
              "Open PDF, URL or DOI"       'helm-bibtex-open-any
              "Open URL or DOI in browser" 'helm-bibtex-open-url-or-doi