diff --git a/tools/explorer/src/test/kotlin/net/corda/explorer/views/GuiUtilitiesKtTest.kt b/tools/explorer/src/test/kotlin/net/corda/explorer/views/GuiUtilitiesKtTest.kt
index 7e830bc914..4902fb69df 100644
--- a/tools/explorer/src/test/kotlin/net/corda/explorer/views/GuiUtilitiesKtTest.kt
+++ b/tools/explorer/src/test/kotlin/net/corda/explorer/views/GuiUtilitiesKtTest.kt
@@ -2,15 +2,20 @@ package net.corda.explorer.views
 
 import org.junit.Assert.assertEquals
 import org.junit.Test
+import java.text.DecimalFormatSymbols
+import java.util.*
 
 class GuiUtilitiesKtTest {
     @Test
     fun `test to string with suffix`() {
-        assertEquals("10.5k", 10500.toStringWithSuffix())
+        //Required for this test to be independent of the default Locale.
+        val ds = DecimalFormatSymbols(Locale.getDefault()).decimalSeparator
+
+        assertEquals("10${ds}5k", 10500.toStringWithSuffix())
         assertEquals("100", 100.toStringWithSuffix())
-        assertEquals("5.0M", 5000000.toStringWithSuffix())
-        assertEquals("1.0B", 1000000000.toStringWithSuffix())
-        assertEquals("1.5T", 1500000000000.toStringWithSuffix())
-        assertEquals("1000.0T", 1000000000000000.toStringWithSuffix())
+        assertEquals("5${ds}0M", 5000000.toStringWithSuffix())
+        assertEquals("1${ds}0B", 1000000000.toStringWithSuffix())
+        assertEquals("1${ds}5T", 1500000000000.toStringWithSuffix())
+        assertEquals("1000${ds}0T", 1000000000000000.toStringWithSuffix())
     }
 }
\ No newline at end of file