diff --git a/0_snap-pac-clean.hook b/20_snap-pac-clean.hook
similarity index 97%
rename from 0_snap-pac-clean.hook
rename to 20_snap-pac-clean.hook
index 7250789..4d76716 100644
--- a/0_snap-pac-clean.hook
+++ b/20_snap-pac-clean.hook
@@ -23,5 +23,5 @@ Target = snap-pac
 
 [Action]
 Description = snap-pac cleanup upon removal
-When = PostTransaction
+When = PreTransaction
 Exec = /usr/share/libalpm/hooks.bin/snap-pac/snap-pac-clean