diff --git a/cpan/Compress-Raw-Zlib/t/02zlib.t b/cpan/Compress-Raw-Zlib/t/02zlib.t
index 64c8944..9b2e9cb 100644
--- a/cpan/Compress-Raw-Zlib/t/02zlib.t
+++ b/cpan/Compress-Raw-Zlib/t/02zlib.t
@@ -13,6 +13,7 @@ use bytes;
 use Test::More  ;
 use CompTestUtils;
 
+use constant ZLIB_1_2_12_0 => 0x12C0;
 
 BEGIN
 {
@@ -490,7 +491,16 @@ SKIP:
         last if $status == Z_STREAM_END or $status != Z_OK ;
     }
 
-    cmp_ok $status, '==', Z_DATA_ERROR ;
+    # Z_STREAM_END returned by 1.12.2, Z_DATA_ERROR for older zlib
+    if (ZLIB_VERNUM >= ZLIB_1_2_12_0)
+    {
+        cmp_ok $status, '==', Z_STREAM_END ;
+    }
+    else
+    {
+        cmp_ok $status, '==', Z_DATA_ERROR ;
+    }
+
     is $GOT, $goodbye ;
 
 
@@ -514,7 +524,17 @@ SKIP:
     is length($rest), $len2, "expected compressed output";
 
     $GOT = '';
-    cmp_ok $k->inflate($rest, $GOT), '==', Z_DATA_ERROR, "inflate returns Z_DATA_ERROR";
+    $status = $k->inflate($rest, $GOT);
+    # Z_STREAM_END returned by 1.12.2, Z_DATA_ERROR for older zlib
+    if (ZLIB_VERNUM >= ZLIB_1_2_12_0)
+    {
+        cmp_ok $status, '==', Z_STREAM_END ;
+    }
+    else
+    {
+        cmp_ok $status, '==', Z_DATA_ERROR ;
+    }
+
     is $GOT, $goodbye ;
 }
 
diff --git a/cpan/IO-Compress/t/cz-03zlib-v1.t b/cpan/IO-Compress/t/cz-03zlib-v1.t
index 9b75f9b..41734d0 100644
--- a/cpan/IO-Compress/t/cz-03zlib-v1.t
+++ b/cpan/IO-Compress/t/cz-03zlib-v1.t
@@ -14,6 +14,8 @@ use Test::More ;
 use CompTestUtils;
 use Symbol;
 
+use constant ZLIB_1_2_12_0 => 0x12C0;
+
 BEGIN
 {
     # use Test::NoWarnings, if available
@@ -700,7 +702,16 @@ EOM
 
     ($GOT, $status) = $k->inflate($rest) ;
 
-    ok $status == Z_DATA_ERROR ;
+    # Z_STREAM_END returned by 1.12.2, Z_DATA_ERROR for older zlib
+    if (ZLIB_VERNUM >= ZLIB_1_2_12_0)
+    {
+        cmp_ok $status, '==', Z_STREAM_END ;
+    }
+    else
+    {
+        cmp_ok $status, '==', Z_DATA_ERROR ;
+    }
+
     ok $Z . $GOT eq $goodbye ;
 }