diff --git a/fedora-cloud-base.ks b/fedora-cloud-base.ks
index fbc132f..6ff9c89 100644
--- a/fedora-cloud-base.ks
+++ b/fedora-cloud-base.ks
@@ -135,5 +135,8 @@ rm -f /etc/NetworkManager/system-connections/*.nmconnection
 # Clear machine-id on pre generated images
 truncate -s 0 /etc/machine-id
 
+# add fstrim -av to the post section until BZ#1971186 is resolved
+fstrim -av
+
 %end
 ##### end kickstart post ############################################