Index: trunk/src/org/openstreetmap/josm/data/SystemOfMeasurement.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/SystemOfMeasurement.java	(revision 19298)
+++ trunk/src/org/openstreetmap/josm/data/SystemOfMeasurement.java	(revision 19299)
@@ -305,5 +305,5 @@
                 .orElse(Locale.getDefault())
                 .getCountry();
-        if (country == "US")
+        if ("US".equals(country))
             // https://en.wikipedia.org/wiki/Metrication_in_the_United_States#Current_use
             // Imperial units still used in transportation and Earth sciences