diff --git a/core/class/template.class.php b/core/class/template.class.php
index 63a9ca6c..fa2aa7a3 100755
--- a/core/class/template.class.php
+++ b/core/class/template.class.php
@@ -49,16 +49,17 @@ class template {
             'value' => ''
         ], $attributes);
         // Génère deux nombres pour le captcha
-        $numbers=array(0,1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20);
-        $letters=array('zéro','un','deux','trois','quatre','cinq','six','sept','huit','neuf','dix','onze','douze','treize','quatorze','quinze','seize','dix-sept','dix-huit','dix-neuf','vingt');
-        $firstNumber=rand ( 0 , count($letters)-1 );
-        $secondNumber=rand ( 0 , count($letters)-1 );
+        $numbers = array(0,1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,20);
+        $letters = array('u','t','s','r','q','p','o','n','m','l','k','j','i','h','g','f','e','d','c','b','a');
+        $firstNumber = rand ( 0 , count($letters)-1 );
+        $secondNumber = rand ( 0 , count($letters)-1 );
         // Début du wrapper
         $html = '<div id="' . $attributes['id'] . 'Wrapper" class="inputWrapper ' . $attributes['classWrapper'] . '">';
         // Label
-        $html .= self::label($attributes['id'],  $letters[$firstNumber] . ' + ' . $letters[$secondNumber] . ' = ? (réponse en chiffres)', [
-            'help' => $attributes['help']
-        ]);
+        $html .= self::label($attributes['id'],
+                 '<img class="captchaNumber" src="core/vendor/zwiico/png/'.$letters[$firstNumber] . '.png" /> + <img class="captchaNumber" src="core/vendor/zwiico/png/' . $letters[$secondNumber] . '.png" /> = ? (réponse en chiffres)', [
+                        'help' => $attributes['help']
+                ]);
         // Notice
         $notice = '';
         if(array_key_exists($attributes['id'], common::$inputNotices)) {
diff --git a/core/layout/common.css b/core/layout/common.css
index 884aa9f3..4b41e5ee 100755
--- a/core/layout/common.css
+++ b/core/layout/common.css
@@ -1358,4 +1358,11 @@ th.col12 {
 }
 .accordion-content {
 	padding: 7px;
+}
+
+/* Captcha
+*  Taille des images
+*/
+.captchaNumber {
+	height:20px;
 }
\ No newline at end of file
diff --git a/core/vendor/zwiico/png/a.png b/core/vendor/zwiico/png/a.png
new file mode 100644
index 00000000..f4ef6eef
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diff --git a/core/vendor/zwiico/png/b.png b/core/vendor/zwiico/png/b.png
new file mode 100644
index 00000000..e14be925
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diff --git a/core/vendor/zwiico/png/c.png b/core/vendor/zwiico/png/c.png
new file mode 100644
index 00000000..dcf2125d
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diff --git a/core/vendor/zwiico/png/d.png b/core/vendor/zwiico/png/d.png
new file mode 100644
index 00000000..ca9f562a
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diff --git a/core/vendor/zwiico/png/e.png b/core/vendor/zwiico/png/e.png
new file mode 100644
index 00000000..ea3f028b
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diff --git a/core/vendor/zwiico/png/f.png b/core/vendor/zwiico/png/f.png
new file mode 100644
index 00000000..6bfdd37e
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diff --git a/core/vendor/zwiico/png/g.png b/core/vendor/zwiico/png/g.png
new file mode 100644
index 00000000..a55422c1
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diff --git a/core/vendor/zwiico/png/h.png b/core/vendor/zwiico/png/h.png
new file mode 100644
index 00000000..5bc5592d
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diff --git a/core/vendor/zwiico/png/i.png b/core/vendor/zwiico/png/i.png
new file mode 100644
index 00000000..2732d8c1
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diff --git a/core/vendor/zwiico/png/j.png b/core/vendor/zwiico/png/j.png
new file mode 100644
index 00000000..7dbaf189
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diff --git a/core/vendor/zwiico/png/k.png b/core/vendor/zwiico/png/k.png
new file mode 100644
index 00000000..61c2d295
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diff --git a/core/vendor/zwiico/png/l.png b/core/vendor/zwiico/png/l.png
new file mode 100644
index 00000000..4a88e131
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diff --git a/core/vendor/zwiico/png/m.png b/core/vendor/zwiico/png/m.png
new file mode 100644
index 00000000..747bc5c6
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diff --git a/core/vendor/zwiico/png/n.png b/core/vendor/zwiico/png/n.png
new file mode 100644
index 00000000..2961ad9d
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diff --git a/core/vendor/zwiico/png/o.png b/core/vendor/zwiico/png/o.png
new file mode 100644
index 00000000..dfa61db1
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diff --git a/core/vendor/zwiico/png/p.png b/core/vendor/zwiico/png/p.png
new file mode 100644
index 00000000..c5d4377e
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diff --git a/core/vendor/zwiico/png/q.png b/core/vendor/zwiico/png/q.png
new file mode 100644
index 00000000..fc4729dc
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diff --git a/core/vendor/zwiico/png/r.png b/core/vendor/zwiico/png/r.png
new file mode 100644
index 00000000..c6d308ce
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diff --git a/core/vendor/zwiico/png/s.png b/core/vendor/zwiico/png/s.png
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index 00000000..7d93e6ac
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diff --git a/core/vendor/zwiico/png/t.png b/core/vendor/zwiico/png/t.png
new file mode 100644
index 00000000..1d2b985b
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diff --git a/core/vendor/zwiico/png/u.png b/core/vendor/zwiico/png/u.png
new file mode 100644
index 00000000..e2db2904
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