diff --git a/wdq1.pl b/wdq1.pl
index 4b7653d0b9c2ca47db6310e7b93c672b58e6729c..4794d88561a86b6de06af322933e687d20d7bd0f 100755
--- a/wdq1.pl
+++ b/wdq1.pl
@@ -266,7 +266,7 @@ sub analyze_wikidata_dump
 
     # Geography
     'P625'  => wdpf ('P625',  'Geo Coordinates'),
-    '1566'  => wdpf ('P1566', 'GeoNames ID'),
+    'P1566' => wdpf ('P1566', 'GeoNames ID'),
     'P964'  => wdpf ('P964',  'Austrian municipality key'), # identifier for municipalities in Austria
     'P1282' => wdpf ('P1282', 'OSM tag or key'),