diff --git a/softwares/VirtualBox.sls b/softwares/VirtualBox.sls
index bacccc7..20ef6b5 100644
--- a/softwares/VirtualBox.sls
+++ b/softwares/VirtualBox.sls
@@ -2,6 +2,14 @@
 
 {% if grains['kernel'] == 'Linux' and grains['virtual'] == 'physical' %}
 
+{% if grains['os_family'] == 'RedHat' %}
+Installons les Prereq Kernel devel:
+  pkg.installed:
+    pkgs:
+      - kernel-devel
+      - dkms
+{% endif %}
+
 virtualbox_repository:
   pkgrepo.managed:
   {% if grains['os_family'] == 'RedHat' %}
@@ -30,7 +38,7 @@ Installons l'ancienne version de libvpx:
 {% endif %}      
 
 VirtualBox-5.2:
-   pkg.installed
+  pkg.installed
 
 virtualbox-guest-additions:
   pkg.removed