diff --git a/bin/xen-list-images b/bin/xen-list-images
index 0d90a42..caed971 100755
--- a/bin/xen-list-images
+++ b/bin/xen-list-images
@@ -323,7 +323,7 @@ sub displayInstance
         {
             $name = $1;
         }
-        if ( $line =~ /.*memory[^0-9]*([0-9]+)/i )
+        if ( $line =~ /^\s*memory[^0-9]*([0-9]+)/i )
         {
             $mem = $1;
         }