diff --git a/include/osdetection b/include/osdetection
index 164a4597..e7a14a3a 100644
--- a/include/osdetection
+++ b/include/osdetection
@@ -195,9 +195,9 @@
             fi
 
             # Amazon
-            if [ -e "/etc/system-release" ]; then
-                FIND=$(grep "Amazon" /etc/system-release)
-                if [ ! "${FIND}" = "" ]; then
+            if [ -z "${LINUX_VERSION}" -a -e "/etc/system-release" ]; then
+                FIND=$(grep "^Amazon" /etc/system-release)
+                if [ -n "${FIND}" ]; then
                     OS_REDHAT_OR_CLONE=1
                     OS_FULLNAME=$(grep "^Amazon" /etc/system-release)
                     OS_VERSION=$(grep "^Amazon" /etc/system-release | awk '{ if ($4=="release") { print $5 } }')