diff --git a/bibcop.pl b/bibcop.pl
index a995711..a87e190 100755
--- a/bibcop.pl
+++ b/bibcop.pl
@@ -736,6 +736,26 @@ sub fix_organization {
   return $value;
 }
 
+sub fix_unicode {
+  my ($value) = @_;
+  my %literals = (
+    'ò' => '\`{o}', 'ó' => '\\\'{o}', 'ô' => '\^{o}', 'ö' => '\"{o}', 'ő' => '\H{o}', 'ǒ' => '\v{o}', 'õ' => '\~{o}',
+    'à' => '\`{a}', 'á' => '\\\'{a}', 'â' => '\^{a}', 'ä' => '\"{a}', 'å' => '\r{a}', 'ą' => '\k{a}', 'ǎ' => '\v{a}', 'ã' => '\~{a}',
+    'ù' => '\`{u}', 'ú' => '\\\'{u}', 'û' => '\^{u}', 'ü' => '\"{u}', 'ů' => '\r{u}', 'ǔ' => '\v{u}', 'ũ' => '\~{u}',
+    'ì' => '\`{i}', 'í' => '\\\'{i}', 'î' => '\^{i}', 'ï' => '\"{i}', 'ǐ' => '\v{i}', 'ĩ' => '\~{i}',
+    'ń' => '\\\'{n}', 'ň' => '\v{n}', 'ñ' => '\~{n}',
+    'ç' => '\c{c}',
+    'ł' => '\l{}',
+    'ı' => '{\i}',
+    'ø' => '\o{}'
+  );
+  keys %literals;
+  while(my($k, $v) = each %literals) {
+    $value =~ s/\Q$k\E/$v/g;
+  }
+  return $value;
+}
+
 # Parse the incoming .bib file and return an array
 # of hash-maps, where each one is a bibentry.
 sub entries {
diff --git a/perl-tests/fixing.pl b/perl-tests/fixing.pl
index 4c8c1ba..aaf1b73 100755
--- a/perl-tests/fixing.pl
+++ b/perl-tests/fixing.pl
@@ -79,6 +79,8 @@ package bibcop;
 fixes('month', 'mar', 'mar');
 fixes('month', 'something', 'something');
 
+fixes('unicode', 'Fernández, Luis and Peña, Rosalía', 'Fern\\\'{a}ndez, Luis and Pe\~{n}a, Rosal\\\'{i}a');
+
 sub fixes {
   my ($tag, $before, $expected) = @_;
   my $fixer = "fix_$tag";