diff --git a/app/src/test/java/com/geeksville/mesh/NodeInfoTest.kt b/app/src/test/java/com/geeksville/mesh/NodeInfoTest.kt
index f6805b7e7..aa9059e57 100644
--- a/app/src/test/java/com/geeksville/mesh/NodeInfoTest.kt
+++ b/app/src/test/java/com/geeksville/mesh/NodeInfoTest.kt
@@ -1,13 +1,30 @@
 package com.geeksville.mesh
 
+import androidx.core.os.LocaleListCompat
+import org.junit.After
 import org.junit.Assert
+import org.junit.Before
 import org.junit.Test
+import java.util.*
 
 class NodeInfoTest {
     val ni1 = NodeInfo(4, MeshUser("+one", "User One", "U1"), Position(37.1, 121.1, 35))
     val ni2 = NodeInfo(5, MeshUser("+two", "User Two", "U2"), Position(37.11, 121.1, 40))
     val ni3 = NodeInfo(6, MeshUser("+three", "User Three", "U3"), Position(37.101, 121.1, 40))
 
+    private val currentDefaultLocale = LocaleListCompat.getDefault().get(0)
+
+    @Before
+    fun setup()
+    {
+        Locale.setDefault(Locale.US)
+    }
+
+    @After
+    fun tearDown() {
+        Locale.setDefault(currentDefaultLocale)
+    }
+
     @Test
     fun distanceGood() {
         Assert.assertEquals(ni1.distance(ni2), 1111)