diff --git a/python/lib/cloud_utils.py b/python/lib/cloud_utils.py
index a98d1c6d58c..43c93c87631 100644
--- a/python/lib/cloud_utils.py
+++ b/python/lib/cloud_utils.py
@@ -68,7 +68,7 @@ elif os.path.exists("/etc/redhat-release"):
     version = file("/etc/redhat-release").readline()
     if version.find("Red Hat Enterprise Linux Server release 6") != -1:
         distro = RHEL6
-    elif version.find("CentOS release") != -1:
+    elif version.find("CentOS") != -1:
         distro = CentOS
     else:
         distro = CentOS
diff --git a/python/lib/cloudutils/utilities.py b/python/lib/cloudutils/utilities.py
index 762c69b9b7c..05a2a585520 100755
--- a/python/lib/cloudutils/utilities.py
+++ b/python/lib/cloudutils/utilities.py
@@ -114,7 +114,7 @@ class Distribution:
                 self.distro = "RHEL6"
             elif version.find("Red Hat Enterprise Linux Server release 7") != -1 or version.find("Scientific Linux release 7") != -1 or version.find("CentOS Linux release 7") != -1 or version.find("CentOS release 7.") != -1:
                 self.distro = "RHEL7"
-            elif version.find("CentOS release") != -1:
+            elif version.find("CentOS") != -1:
                 self.distro = "CentOS"
             else:
                 self.distro = "RHEL5"
diff --git a/scripts/vm/hypervisor/versions.sh b/scripts/vm/hypervisor/versions.sh
index 159e78e13e8..5d8ff3c35ec 100755
--- a/scripts/vm/hypervisor/versions.sh
+++ b/scripts/vm/hypervisor/versions.sh
@@ -32,7 +32,7 @@ CODENAME=""
 if [ -f /etc/redhat-release ] ; then
 	DIST=`cat /etc/redhat-release | awk '{print $1}'`
 	CODENAME=`cat /etc/redhat-release | sed s/.*\(// | sed s/\)//`
-	REV=`cat /etc/redhat-release | awk '{print $3}'`
+	REV=`cat /etc/redhat-release | awk '{print $3,$4}' | grep -o "[0-9.]*"`
 elif [ -f /etc/lsb-release ] ; then
 	DIST=`cat /etc/lsb-release | grep DISTRIB_ID | tr "\n" ' '| sed s/.*=//`
 	REV=`cat /etc/lsb-release | grep DISTRIB_RELEASE | tr "\n" ' '| sed s/.*=//`