diff --git a/core/constants.py b/core/constants.py
index 6c57950..acadaad 100644
--- a/core/constants.py
+++ b/core/constants.py
@@ -253,10 +253,10 @@ SIGS = [
         description="Diploma Municipios de España",
         sig_type=SIGType.REGIONAL,
         ref_type=SIGRefType.TOWN,
-        ref_regex=r"\d{4,5}",
+        ref_regex=r"DME[\- ]\d{3,5}",
         icon="fa-building",
         region_flag="🇪🇸",
-        refs_globally_unique=False,
+        refs_globally_unique=True,
     ),
     SIG(
         name="FEA",
diff --git a/core/sig_lookup_helper.py b/core/sig_lookup_helper.py
index e5fc5be..92ca542 100644
--- a/core/sig_lookup_helper.py
+++ b/core/sig_lookup_helper.py
@@ -1,4 +1,5 @@
 import logging
+import re
 
 from pyhamtools.locator import latlong_to_locator, locator_to_latlong
 
@@ -41,9 +42,12 @@ def get_sig_ref_info(sig_name, ref_id):
         ### FUDGES ###
         #
         # DME fudge. Our database has leading zeros padding to 5 digits which is the expected format, but not all
-        # activators add leading zeros.
+        # activators add leading zeros. We also need to normalise "DME 01234" to "DME-01234" to match what's in our
+        # database.
         if sig_name.upper() == "DME":
-            ref_id = ref_id.zfill(5)
+            match = re.match(r"DME[\- ]\d{3,5}", ref_id, re.IGNORECASE)
+            number = match.group(1)
+            return f"DME-{number.zfill(5)}"
 
         # DTMBA spotters sometimes include spaces and dashes, our regex allows them but they must be removed here so we
         # can look up against the official list which doesn't have them
diff --git a/providers/sigrefdata/dme.py b/providers/sigrefdata/dme.py
index c46b1bc..315061b 100644
--- a/providers/sigrefdata/dme.py
+++ b/providers/sigrefdata/dme.py
@@ -23,7 +23,11 @@ class DME(LocalFileSIGRefDataProvider):
         new_data = []
         with open(path, encoding="latin-1") as _f:
             for row in csv.DictReader(_f, delimiter=";"):
-                ref_id = row["COD_INE"][:5]
+                # Store reference IDs with the "DME-" prefix rather than just the number. This will prevent Spothole
+                # from agressively thinking every number in a spot comment is DME after it's seen "DME" once. The only
+                # numbers that count are straight after "DME " or "DME-". The dash versus space is normalised in
+                # sig_lookup_helper.py.
+                ref_id = "DME-" + row["COD_INE"][:5]
                 latitude = (
                     float(row["LATITUD_ETRS89_REGCAN95"].replace(",", "."))
                     if row.get("LATITUD_ETRS89_REGCAN95")
diff --git a/templates/add_spot.html b/templates/add_spot.html
index d3ca997..c9a69b6 100644
--- a/templates/add_spot.html
+++ b/templates/add_spot.html
@@ -77,7 +77,7 @@
 
 </div>
 
-<script src="/static/js/add-spot.js?v=1788598136"></script>
+<script src="/static/js/add-spot.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-add-spot").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/alerts.html b/templates/alerts.html
index 704537b..78f0126 100644
--- a/templates/alerts.html
+++ b/templates/alerts.html
@@ -81,7 +81,7 @@
 
 </div>
 
-<script src="/static/js/alerts.js?v=1788598136"></script>
+<script src="/static/js/alerts.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-alerts").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/bands.html b/templates/bands.html
index 6610b7b..86e9496 100644
--- a/templates/bands.html
+++ b/templates/bands.html
@@ -76,8 +76,8 @@
 
 </div>
 
-<script src="/static/js/spotsbandsandmap.js?v=1788598136"></script>
-<script src="/static/js/bands.js?v=1788598136"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1788598625"></script>
+<script src="/static/js/bands.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-bands").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/base.html b/templates/base.html
index c60fa1c..b213f7d 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -1,6 +1,6 @@
 {% extends "skeleton.html" %}
 {% block head_extra %}
-<link rel="stylesheet" href="/static/css/style.css?v=1788598136" type="text/css">
+<link rel="stylesheet" href="/static/css/style.css?v=1788598625" type="text/css">
 <link href="/static/vendor/css/bootstrap-5.3.8.min.css" rel="stylesheet">
 <link href="/static/vendor/css/fontawesome-6.7.2.min.css" rel="stylesheet">
 <link href="/static/vendor/css/solid-6.7.2.min.css" rel="stylesheet">
@@ -16,10 +16,10 @@
     window.fetchEventSource = fetchEventSource;
 </script>
 
-<script src="/static/js/utils.js?v=1788598136"></script>
-<script src="/static/js/ui-ham.js?v=1788598136"></script>
-<script src="/static/js/geo.js?v=1788598136"></script>
-<script src="/static/js/common.js?v=1788598136"></script>
+<script src="/static/js/utils.js?v=1788598625"></script>
+<script src="/static/js/ui-ham.js?v=1788598625"></script>
+<script src="/static/js/geo.js?v=1788598625"></script>
+<script src="/static/js/common.js?v=1788598625"></script>
 {% end %}
 {% block body %}
 <div class="container">
diff --git a/templates/conditions.html b/templates/conditions.html
index 9b8e6e5..6f698ed 100644
--- a/templates/conditions.html
+++ b/templates/conditions.html
@@ -284,7 +284,7 @@
 </div>
 
 <script src="/static/vendor/js/chart-4.4.9.umd.min.js"></script>
-<script src="/static/js/conditions.js?v=1788598136"></script>
+<script src="/static/js/conditions.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-conditions").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/map.html b/templates/map.html
index 359b0a5..c57d5b7 100644
--- a/templates/map.html
+++ b/templates/map.html
@@ -113,8 +113,8 @@
     const CARTODB_API_KEY = "{{ web_ui_options.get('cartodb_api_key', '') }}";
 </script>
 
-<script src="/static/js/spotsbandsandmap.js?v=1788598136"></script>
-<script src="/static/js/map.js?v=1788598136"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1788598625"></script>
+<script src="/static/js/map.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-map").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/spots.html b/templates/spots.html
index 306cf69..25da752 100644
--- a/templates/spots.html
+++ b/templates/spots.html
@@ -113,8 +113,8 @@
 
 </div>
 
-<script src="/static/js/spotsbandsandmap.js?v=1788598136"></script>
-<script src="/static/js/spots.js?v=1788598136"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1788598625"></script>
+<script src="/static/js/spots.js?v=1788598625"></script>
 <script>$(document).ready(function () {
     $("#nav-link-spots").addClass("active");
 }); <!-- highlight active page in nav --></script>
diff --git a/templates/status.html b/templates/status.html
index f595bd4..a80e593 100644
--- a/templates/status.html
+++ b/templates/status.html
@@ -86,7 +86,7 @@
     </div>
 </div>
 
-<script src="/static/js/status.js?v=1788598136"></script>
+<script src="/static/js/status.js?v=1788598625"></script>
 <script>
     $(document).ready(function () {
         $("#nav-link-status").addClass("active");