diff --git a/examples/mods/aim1_community_fix/my_mod.cpp b/examples/mods/aim1_community_fix/my_mod.cpp
index dda1102..7b41fd3 100644
--- a/examples/mods/aim1_community_fix/my_mod.cpp
+++ b/examples/mods/aim1_community_fix/my_mod.cpp
@@ -27,6 +27,10 @@ deps: pub.lzwdgc.Polygon4.Tools.aim1_mod_maker-master
 // patch note:
 // patch note: Installation
 // patch note: Unpack and drop all files near original aim.exe. Replace files if necessary.
+// patch note: Or you can use mod_activator.exe, put it near aim.exe and drop mod archive
+// patch note: onto mod_activator.exe in explorer.
+// patch note: Game loads .pak files from the latest to oldest, so active mod .pak file must have
+// patch note: the latest timestamp on it.
 // patch note:
 
 int main(int argc, char *argv[]) {
diff --git a/src/aim1_mod_maker/aim1_mod_maker.h b/src/aim1_mod_maker/aim1_mod_maker.h
index 6d95859..216974e 100644
--- a/src/aim1_mod_maker/aim1_mod_maker.h
+++ b/src/aim1_mod_maker/aim1_mod_maker.h
@@ -199,6 +199,9 @@ struct mod_maker {
         // we do not check for presence of 7z command here
         if (has_in_path("7z")) {
             auto ar = get_full_mod_name() + ".zip";
+            if (fs::exists(ar)) {
+                fs::remove(ar);
+            }
 
             primitives::Command c;
             c.working_directory = game_dir;