diff --git a/test/Floats.java b/test/Floats.java
index 2494088b01..775b391ffd 100644
--- a/test/Floats.java
+++ b/test/Floats.java
@@ -211,7 +211,8 @@ public class Floats {
       double d = (double) z;
       expect(d == 12345.0);
     }
-    
+
+    // Test floatToIntBits 
     { 
       int orig = 0x7f800001;
       float NaN = Float.intBitsToFloat(orig);
@@ -220,6 +221,14 @@ public class Floats {
       expect(result == expected);
     }
     
+    { 
+      int orig = 0x7f801001;
+      float NaN = Float.intBitsToFloat(orig);
+      int result = Float.floatToIntBits(NaN);
+      int expected = 0x7fc00000;
+      expect(result == expected);
+    }
+    
     {
       int orig = 0x00800001;
       float number = Float.intBitsToFloat(orig);