diff --git a/icu4j/src/com/ibm/icu/dev/test/stringprep/TestIDNA.java b/icu4j/src/com/ibm/icu/dev/test/stringprep/TestIDNA.java
index 320e8beba72..85133350c2d 100644
--- a/icu4j/src/com/ibm/icu/dev/test/stringprep/TestIDNA.java
+++ b/icu4j/src/com/ibm/icu/dev/test/stringprep/TestIDNA.java
@@ -289,7 +289,7 @@ public class TestIDNA extends TestFmwk {
         }
     }
     public void TestNamePrepConformance() throws Exception{
-        InputStream stream = ICUData.getRequiredStream(UResourceBundle.ICU_BUNDLE+"uidna.spp");
+        InputStream stream = ICUData.getRequiredStream(UResourceBundle.ICU_BUNDLE+"/uidna.spp");
         StringPrep namePrep = new StringPrep(stream);
         for(int i=0; i<TestData.conformanceTestCases.length;i++){
             TestData.ConformanceTestCase testCase = TestData.conformanceTestCases[i];