1 files changed, 4 insertions, 2 deletions
diff --git a/luni/src/main/java/java/util/zip/InflaterInputStream.java b/luni/src/main/java/java/util/zip/InflaterInputStream.java
index 580d605..6081037 100644
--- a/luni/src/main/java/java/util/zip/InflaterInputStream.java
+++ b/luni/src/main/java/java/util/zip/InflaterInputStream.java
@@ -103,8 +103,10 @@ public class InflaterInputStream extends FilterInputStream {
      */
     public InflaterInputStream(InputStream is, Inflater inflater, int bsize) {
         super(is);
-        if (is == null || inflater == null) {
-            throw new NullPointerException();
+        if (is == null) {
+            throw new NullPointerException("is == null");
+        } else if (inflater == null) {
+            throw new NullPointerException("inflater == null");
         }
         if (bsize <= 0) {
             throw new IllegalArgumentException();