diff --git a/PVE/Storage/ISCSIDirectPlugin.pm b/PVE/Storage/ISCSIDirectPlugin.pm
index f0c6c53..792d866 100644
--- a/PVE/Storage/ISCSIDirectPlugin.pm
+++ b/PVE/Storage/ISCSIDirectPlugin.pm
@@ -56,7 +56,8 @@ sub type {
 
 sub plugindata {
     return {
-        content => [ {images => 1, none => 1}, { images => 1 }],
+	content => [ {images => 1, none => 1}, { images => 1 }],
+	select_existing => 1,
     };
 }
 
diff --git a/PVE/Storage/ISCSIPlugin.pm b/PVE/Storage/ISCSIPlugin.pm
index aef8675..04b5172 100644
--- a/PVE/Storage/ISCSIPlugin.pm
+++ b/PVE/Storage/ISCSIPlugin.pm
@@ -237,6 +237,7 @@ sub type {
 sub plugindata {
     return {
 	content => [ {images => 1, none => 1}, { images => 1 }],
+	select_existing => 1,
     };
 }