diff --git a/src/couchapp/secreton/_attachments/images/systeme_complet.png b/src/couchapp/secreton/_attachments/images/systeme_complet.png
new file mode 100644
index 0000000000000000000000000000000000000000..0d41b19818092736d056b0889c740559252f6e64
Binary files /dev/null and b/src/couchapp/secreton/_attachments/images/systeme_complet.png differ
diff --git a/src/couchapp/secreton/_attachments/images/systeme_complet.svg b/src/couchapp/secreton/_attachments/images/systeme_complet.svg
index 65a80d2d79d0870ce28676551fbcfb50117ea4c9..5707ffc2943a9f4a610702a38de85469105043f3 100644
--- a/src/couchapp/secreton/_attachments/images/systeme_complet.svg
+++ b/src/couchapp/secreton/_attachments/images/systeme_complet.svg
@@ -14,7 +14,8 @@
    id="svg2"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="systeme_complet.svg">
+   sodipodi:docname="systeme_complet.svg"
+   viewBox="0 0 227.80316 193.55484">
   <defs
      id="defs4">
     <inkscape:perspective
diff --git a/src/couchapp/secreton/_attachments/images/systeme_simple.png b/src/couchapp/secreton/_attachments/images/systeme_simple.png
new file mode 100644
index 0000000000000000000000000000000000000000..32e42ca02b259c089446226180d1ca6e306ff880
Binary files /dev/null and b/src/couchapp/secreton/_attachments/images/systeme_simple.png differ
diff --git a/src/couchapp/secreton/_attachments/index.html b/src/couchapp/secreton/_attachments/index.html
index f6ee96149ae93b16aeaee366a02d969c0735a47c..3416424fd5bbd7d0fbeebbe1f677b80ce8345191 100644
--- a/src/couchapp/secreton/_attachments/index.html
+++ b/src/couchapp/secreton/_attachments/index.html
@@ -15,8 +15,7 @@
 <h2>Non-Flagellar Type III Secretion Systems in sequenced genomes</h2>
   
   <div id="head">
-  
-  <img src="images/systeme_complet.svg"  title="Non-Flagellar Type III Secretion System schema" alt="Non-Flagellar Type III Secretion System schema">
+  <img src="images/systeme_complet.png"  title="Non-Flagellar Type III Secretion System schema" alt="Non-Flagellar Type III Secretion System schema">
   
   <p>Non-Flagellar Type III Secretion Systems (NF-T3SS, or injectisomes) are bacterial machineries partially homologous to the bacterial flagellum, 
   which allow direct injection of bacterial effectors from bacterial cytoplasm to eukaryotic cells via a molecular needle (cf. schema above). 
diff --git a/src/couchapp/secreton/_attachments/style/main.css b/src/couchapp/secreton/_attachments/style/main.css
index b6f81f7d710d08c02769ca084994a8c8d78b7886..4330611b7e466fd5712a31a112d98f51a4bbd246 100644
--- a/src/couchapp/secreton/_attachments/style/main.css
+++ b/src/couchapp/secreton/_attachments/style/main.css
@@ -19,10 +19,11 @@ h2 {
   font-size: 1.1em;
 }
 
-#head img{
+#head img,object,svg{
 	display: block;
     margin: 0 auto; 
 	width:400px;
+	
 }
 
 .gene_name{
diff --git a/src/couchapp/secreton/templates/secretion_system.html b/src/couchapp/secreton/templates/secretion_system.html
index a62b05e147a21da943213cdef2eb9b1ea689a65f..d2f4e081a5ca75e64dd52c7c57cf34c7f6567f3e 100644
--- a/src/couchapp/secreton/templates/secretion_system.html
+++ b/src/couchapp/secreton/templates/secretion_system.html
@@ -256,7 +256,7 @@
 
 <body>
 	<div id="header">
-	   <a href="../../index.html"><img src="../../images/systeme_simple.svg" width="75px" title="Go to Secreton search page" alt="Non-Flagellar Type III Secretion System schema"></a>
+	   <a href="../../index.html"><img src="../../images/systeme_simple.png" width="75px" title="Go to Secreton search page" alt="Non-Flagellar Type III Secretion System schema"></a>
 	   <h1>Non-Flagellar Type III Secretion System</h1>
 	</div>
 	<ul>
