Index: src/lib/PlaceMarkContainer.cpp
===================================================================
--- src/lib/PlaceMarkContainer.cpp	(revision 732127)
+++ src/lib/PlaceMarkContainer.cpp	(working copy)
@@ -27,7 +27,7 @@
 { 
     // If compared items do not differ in terms of being selected,
     // compare them based on population numbers.
-    return ( abs( mark1->popularity() ) > abs( mark2->popularity() ) );
+    return ( abs( (double) mark1->popularity() ) > abs( (double) mark2->popularity() ) );
 }
 
 