diff --git a/core/constants.py b/core/constants.py
index 59e9b35..5347eb6 100644
--- a/core/constants.py
+++ b/core/constants.py
@@ -27,7 +27,7 @@ SIGS = [
    SIG(name="ZLOTA", description="New Zealand on the Air", icon="kiwi-bird", ref_regex=r"ZL[A-Z]/[A-Z]{2}\-\d{3,4}"),
    SIG(name="WOTA", description="Wainwrights on the Air", icon="w", ref_regex=r"[A-Z]{3}-[0-9]{2}"),
    SIG(name="BOTA", description="Beaches on the Air", icon="water"),
-   SIG(name="KRMNPA", description="Keith Roget Memorial National Parks Award", icon="earth-oceania", ref_regex=r""),
+   SIG(name="KRMNPA", description="Keith Roget Memorial National Parks Award", icon="earth-oceania"),
    SIG(name="WAB", description="Worked All Britain", icon="table-cells-large", ref_regex=r"[A-Z]{1,2}[0-9]{2}"),
    SIG(name="WAI", description="Worked All Ireland", icon="table-cells-large", ref_regex=r"[A-Z][0-9]{2}")
 ]
diff --git a/data/spot.py b/data/spot.py
index a53c758..7d841ad 100644
--- a/data/spot.py
+++ b/data/spot.py
@@ -388,7 +388,9 @@ class Spot:
     def append_sig_ref_if_missing(self, new_sig_ref):
         if not self.sig_refs:
             self.sig_refs = []
+        if new_sig_ref.id.trim() == "":
+            return
         for sig_ref in self.sig_refs:
-            if sig_ref.id.upper() == new_sig_ref.id.upper() and sig_ref.sig.upper() == new_sig_ref.sig.upper():
+            if sig_ref.id.trim().upper() == new_sig_ref.id.trim().upper() and sig_ref.sig.trim().upper() == new_sig_ref.sig.trim().upper():
                 return
-        self.sig_refs.append(new_sig_ref)
+        self.sig_refs.append(new_sig_ref.trim())