diff --git a/services/arr-interconnect.nix b/services/arr-interconnect.nix
index 90f0341..84fd1bc 100644
--- a/services/arr-interconnect.nix
+++ b/services/arr-interconnect.nix
@@ -141,6 +141,33 @@ let
     reconcile_root_folders "Radarr" 7878 "$RADARR_KEY" '${builtins.toJSON rootFolders.radarr}'
     reconcile_root_folders "Sonarr" 8989 "$SONARR_KEY" '${builtins.toJSON rootFolders.sonarr}'
 
+    ##########################################################################
+    # Propers/repacks — doNotPrefer, as Dictionarry's media_management/misc.yml
+    # intends (Profilarr never synced it). The default preferAndUpgrade grabs
+    # any REPACK/PROPER over a same-quality file while ignoring CF score, then
+    # import rejects it ("Not a Custom Format upgrade") and it rots in the
+    # queue. The profiles' Repack1-3 CFs already score repacks properly.
+    ##########################################################################
+    set_propers_no_prefer() {
+      local name="$1" port="$2" key="$3" mm
+
+      [ -n "$key" ] || return 0
+      mm=$(curl -sf -H "X-Api-Key: $key" "$BASE:$port/api/v3/config/mediamanagement" || true)
+      [ -n "$mm" ] || return 0
+      if [ "$(echo "$mm" | jq -r .downloadPropersAndRepacks)" != "doNotPrefer" ]; then
+        echo "Setting $name propers/repacks to doNotPrefer"
+        curl -sf -X PUT \
+          -H "Content-Type: application/json" \
+          -H "X-Api-Key: $key" \
+          "$BASE:$port/api/v3/config/mediamanagement" \
+          -d "$(echo "$mm" | jq '.downloadPropersAndRepacks = "doNotPrefer"')" > /dev/null \
+          && echo "  done" || echo "  failed"
+      fi
+    }
+
+    set_propers_no_prefer "Radarr" 7878 "$RADARR_KEY"
+    set_propers_no_prefer "Sonarr" 8989 "$SONARR_KEY"
+
     ##########################################################################
     # Prowlarr → Sonarr (push indexers for TV)
     ##########################################################################