diff --git a/configuration/resize-disk-image.md b/configuration/resize-disk-image.md
index 28c48aee..899a85f5 100644
--- a/configuration/resize-disk-image.md
+++ b/configuration/resize-disk-image.md
@@ -17,6 +17,8 @@ Resize Disk Image
 There are several disk images which can be easily extended, but pay attention to the overall consumed space of your sparse/thin disk images.
 See also [OS Specific Follow-up Instructions](/doc/resize-disk-image/#os-specific-follow-up-instructions) at the end of this page.
 
+Since a TemplateBasedVM [inherits its system filesystem from the Template on which it is based](https://www.qubes-os.org/getting-started/#appvms-qubes-and-templatevms), it is not possible to resize the system disk for a TemplateBasedVM.
+
 
 ### Template disk image (R4.0)